#31531C
Closest named color: Navy Green (#35530A). oklch(40.3% 0.092 135.3), rgb(49, 83, 28).
Aa
White text reads best on this color (8.80:1).
About this color
#31531C is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.092 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.014 away. White text reads best on it, at 8.80:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.38:1 |
| White text | 8.80:1 |
Values
| HEX | #31531C |
| RGB | rgb(49, 83, 28) |
| HSL | hsl(97, 50%, 22%) |
| OKLCH | oklch(40.3% 0.092 135.3) |
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 #31531C | 8.80:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #31531C | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #31531C text on white | 8.80:1 | AAA | Lc 90.0 | Fine for body text |
| #31531C text on black | 2.38:1 | Fails | Lc -12.3 | Not readable |
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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5ECE2
oklch(93.5% 0.015 136.1)
-
Step 200
200
#D1DECA
oklch(88.5% 0.03 134.4)
-
Step 300
300
#B2C9A7
oklch(80.9% 0.053 135.5)
-
Step 400
400
#89AD77
oklch(70.7% 0.086 135.5)
-
Step 500
500
#6B9853
oklch(63% 0.109 135.5)
-
Step 600
600
#538236
oklch(55.5% 0.119 135.1)
-
Step 700
700
#436E29
oklch(49% 0.11 135.4)
-
Step 800
800 (this color)
#31531C
oklch(40.3% 0.092 135.3)
-
Step 900
900
#304A22
oklch(37.7% 0.071 135.6)
-
Step 950
950
#1C2B14
oklch(26.9% 0.045 135.5)
#31531C 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) | #564C16 | 0.056 |
| Deuteranopia (no green cones) | #514920 | 0.057 |
| Tritanopia (no blue cones) | #305047 | 0.065 |
| Achromatopsia (no color) | #4A4A4A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31531C
#31531C
oklch(40.3% 0.092 135.3)
- #5B376A
#5B376A
oklch(40.2% 0.093 315.3)
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 #31531C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.014
- Pine #2B5D34 ΔE 0.036
- Forest #0B5509 ΔE 0.038
- Deep Green #02590F ΔE 0.041
- Spruce #0A5F38 ΔE 0.044
- Green Brown #544E03 ΔE 0.050
- Army Green #4B5D16 ΔE 0.050
- Pine Green #0A481E ΔE 0.054
Use #31531C 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.