Castro

#44232F

Also known as: Piermont Stone Red , Soft Red , Wine Tasting , Nisemurasaki Purple

Castro is a rich, gentle red that reads as passionate and urgent. It earns its place in call-to-action buttons and food branding. For contrast, pair it with a cyan from its complementary palette below. On white it reads clearly at 13.75:1 contrast, safe for body text under WCAG AA.

Reference

Castro color codes

HEX: #44232F
RGB: rgb(68, 35, 47)
RGBA: rgba(68, 35, 47, 1)
HSL: hsl(338, 32%, 20%)
HSV: hsv(338, 49%, 27%)
CMYK: cmyk(0%, 49%, 31%, 73%)
LAB: lab(18.6 17.4 -0.7)
OKLCH: oklch(30.4% 0.053 357.5)

Analysis

Color intelligence

sRGB safe

Gamut

The full range of colors a device or space can show. sRGB is the common screen gamut; Display P3 is wider. A color outside a gamut cannot be shown accurately there and must be mapped inward.Full glossary entry →

Displays accurately on every screen and translates well to print.

Temperature

Undertone

The subtle secondary bias in a color that seems neutral. A gray can have a blue or green undertone; a white can lean warm or cool. Undertones decide whether two near-neutrals clash or agree.Full glossary entry →

CoolWarm

neutral, leaning warm

Nearest standard colors

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Delta E (ΔE)
A measure of how different two colors look. Below 1 the difference is invisible to almost everyone; below 2.3 most people can't tell them apart; above 10 they are clearly different colors. We use CIEDE2000, the modern standard.Full glossary entry →

CSS: black #000000 · ΔE 20.1
RAL 3007: Black red #402225 · ΔE 4.3 · approximate

RAL values are widely published approximations of the physical standard. For Pantone-adjacent workflows, match by eye against a physical fan deck. Pantone's values are proprietary and device-dependent, so we don't print lookups.

Where Castro works

Web & UI: Use it directly for text on light surfaces; it clears AA contrast without adjustment.
Interiors: Use it where you want the eye to land: a front door, built-ins, or one bold wall.
Fashion: One garment in this color carries an outfit; two starts to compete.
Branding: Best in a brand's supporting palette: packaging interiors, patterns, campaign accents.
Web & UI: Use it decoratively for dividers, chart series, and illustration accents, and let neutrals carry the type.

Copy as: every ecosystem

Variations

Tints, shades, and tones of Castro

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Tint
A color mixed with white, which raises its lightness. Pink is a tint of red. Tints feel softer and more open than the base color.Full glossary entry →

Tints (lighter)

Shades (darker)

Tones (muted)

Harmonies

Color harmonies

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Complementary colors
Two colors opposite each other on the wheel. They create the strongest contrast and make each other look more intense, so they work best used unevenly.Full glossary entry →

Palettes built from Castro by rotating its hue in OKLCH space. Click any swatch to copy its hex code.

Complementary

Analogous

Triadic

Split-complementary

Tetradic

Monochromatic

Accessibility

Contrast & accessibility

Aa on white

contrast 13.75:1

AA pass AAA pass AA large pass

Aa on black

contrast 1.53:1

AA fail AAA fail AA large fail

Best text color on a Castro background: #ffffff

Palettes

Palettes featuring Castro

Castro with its complement

Soft neighbors of Castro

Castro triad

Explore

Similar colors

Looking for maximum contrast instead? The complement of Castro is closest to Rich Black .

FAQ

Castro FAQs

What color is Castro?

Castro is a dark red with the hex code #44232F. In HSL terms it has a hue of 338°, 32% saturation, and 20% lightness.

What is the hex code for Castro?

The hex code for Castro is #44232F. In RGB it's rgb(68, 35, 47), and in CMYK it's cmyk(0%, 49%, 31%, 73%).

What colors go well with Castro?

Castro pairs naturally with cyan tones from its complementary harmony, and with green accents from its split-complementary palette. Its own tints and shades always work as a monochrome scheme.

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