Dark Blue
Also known as: Matisse, Tidal Wave, Venice Blue, Bluey
Dark Blue sits on the cool side of the spectrum: a gentle blue that feels calm and trustworthy. Try it in finance apps and trust-driven interfaces. Set it against a brown accent when you want the combination to pop. It's dark enough to use for text on white backgrounds (7.18:1, passes WCAG AA).
Dark Blue color codes
- HEX
- #315B7D
- RGB
- rgb(49, 91, 125)
- RGBA
- rgba(49, 91, 125, 1)
- HSL
- hsl(207, 44%, 34%)
- HSV
- hsv(207, 61%, 49%)
- CMYK
- cmyk(61%, 27%, 0%, 51%)
- LAB
- lab(36.8 -6.8 -24.0)
- OKLCH
- oklch(45.6% 0.073 244.8)
Color intelligence
Displays accurately on every screen and translates well to print.
Temperature
cool
Nearest standard colors
- CSS: royalblue#4169E1 · ΔE 12.7
- RAL 5009 — Azure blue#2E5978 · ΔE 1.4 · 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 Dark Blue 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 — front door, built-ins, or one bold wall.
- Fashion: One garment in this color carries an outfit; two starts to compete.
- Branding: The safest brand-primary family there is; differentiate with an unexpected accent.
- Web & UI: Use it decoratively — dividers, chart series, illustration accents — and let neutrals carry the type.
- Branding: Best in a brand's supporting palette — packaging interiors, patterns, campaign accents.
Copy as — every ecosystem
Tints, shades, and tones of Dark Blue
Tints (lighter)
Shades (darker)
Color harmonies
Palettes built from Dark Blue by rotating its hue in OKLCH space. Click any swatch to copy its hex code.
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic
Contrast & accessibility
Aa — on white
contrast 7.18:1
AA passAAA passAA large pass
Aa — on black
contrast 2.92:1
AA failAAA failAA large fail
Best text color on a Dark Blue background: #ffffff
Palettes featuring Dark Blue
Dark Blue with its complement
Soft neighbors of Dark Blue
Dark Blue triad
Similar colors
- Grand Bleu#015482 · ΔE 4.1
- Dark Denim#005588 · ΔE 4.1
- Stellar#46647E · ΔE 4.4
- Slumber#2D517C · ΔE 4.6
- Sea Paint#00507A · ΔE 4.9
- Blue Velvet#0D6183 · ΔE 5.4
Looking for maximum contrast instead? The complement of Dark Blue is closest to Cafe Royale.
Dark Blue FAQs
What color is Dark Blue?
Dark Blue is a dark blue with the hex code #315B7D. In HSL terms it has a hue of 207°, 44% saturation, and 34% lightness.
What is the hex code for Dark Blue?
The hex code for Dark Blue is #315B7D. In RGB it's rgb(49, 91, 125), and in CMYK it's cmyk(61%, 27%, 0%, 51%).
What colors go well with Dark Blue?
Dark Blue pairs naturally with brown tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.
Got a photo with a color like this? Identify it with the analyzer — free, instant, private.