#31567D
Closest named color: Light Navy Blue (#2E5A88). oklch(44.4% 0.077 251.1), rgb(49, 86, 125).
Aa
White text reads best on this color (7.61:1).
About this color
#31567D is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.077 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.019 away. White text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #31567D |
| RGB | rgb(49, 86, 125) |
| HSL | hsl(211, 44%, 34%) |
| OKLCH | oklch(44.4% 0.077 251.1) |
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 #31567D | 7.61:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #31567D | 2.75:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #31567D text on white | 7.61:1 | AAA | Lc 86.3 | Fine for body text |
| #31567D text on black | 2.75:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300
#ACC3DE
oklch(80.9% 0.046 252.5)
-
Step 400
400
#7FA4CD
oklch(70.7% 0.073 251.4)
-
Step 500
500
#5E8DC0
oklch(63.1% 0.093 251.4)
-
Step 600
600
#4377AC
oklch(55.7% 0.1 250.5)
-
Step 700
700
#356394
oklch(49% 0.094 251.6)
-
Step 800
800 (this color)
#31567D
oklch(44.4% 0.077 251.1)
-
Step 900
900
#284461
oklch(37.8% 0.061 250.5)
-
Step 950
950
#182839
oklch(27.1% 0.038 250.8)
#31567D 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) | #46587F | 0.027 |
| Deuteranopia (no green cones) | #3C507C | 0.020 |
| Tritanopia (no blue cones) | #005F64 | 0.065 |
| Achromatopsia (no color) | #545454 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31567D
#31567D
oklch(44.4% 0.077 251.1)
- #6E4C1D
#6E4C1D
oklch(44.4% 0.077 72)
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 #31567D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.019
- YInMn Blue #415A77 ΔE 0.026
- Dusk Blue #26538D ΔE 0.031
- Deep Sea Blue #015482 ΔE 0.032
- Light Navy #155084 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.038
- Dusk #4E5481 ΔE 0.038
- Denim #3B638C ΔE 0.045
Use #31567D 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.