#31569C
Closest named color: Denim Blue (#3B5B92). oklch(46.3% 0.122 261.8), rgb(49, 86, 156).
Aa
White text reads best on this color (7.13:1).
About this color
#31569C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.122 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.027 away. White text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #31569C |
| RGB | rgb(49, 86, 156) |
| HSL | hsl(219, 52%, 40%) |
| OKLCH | oklch(46.3% 0.122 261.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #31569C | 7.13:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #31569C | 2.94:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #31569C text on white | 7.13:1 | AAA | Lc 84.5 | Fine for body text |
| #31569C text on black | 2.94:1 | Fails | Lc -17.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ACC1E7
oklch(80.8% 0.059 262.3)
-
Step 400
400
#80A1DC
oklch(70.7% 0.094 261.7)
-
Step 500
500
#6088D2
oklch(63% 0.121 261.9)
-
Step 600
600
#4771BF
oklch(55.6% 0.13 261.7)
-
Step 700
700 (this color)
#31569C
oklch(46.3% 0.122 261.8)
-
Step 800
800
#2F4D86
oklch(42.7% 0.101 262)
-
Step 900
900
#2A416B
oklch(37.8% 0.078 261.6)
-
Step 950
950
#19263F
oklch(27% 0.05 262.6)
#31569C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #345D9F | 0.021 |
| Deuteranopia (no green cones) | #21539B | 0.018 |
| Tritanopia (no blue cones) | #006671 | 0.099 |
| Achromatopsia (no color) | #585858 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31569C
#31569C
oklch(46.3% 0.122 261.8)
- #735200
#735200
oklch(46.2% 0.095 81.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #31569C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.027
- Dusk Blue #26538D ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.042
- Twilight #4E518B ΔE 0.044
- Cobalt #1E488F ΔE 0.049
- Light Navy #155084 ΔE 0.050
- Denim #3B638C ΔE 0.052
Use #31569C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.