#31471B
Closest named color: Dark Olive (#373E02). oklch(36.8% 0.073 131.3), rgb(49, 71, 27).
Aa
White text reads best on this color (10.25:1).
About this color
#31471B is a dark, moderately saturated green. In OKLCH its lightness is 37%, its chroma 0.073 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.030 away. White text reads best on it, at 10.25:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #31471B |
| RGB | rgb(49, 71, 27) |
| HSL | hsl(90, 45%, 19%) |
| OKLCH | oklch(36.8% 0.073 131.3) |
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 #31471B | 10.25:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #31471B | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #31471B text on white | 10.25:1 | AAA | Lc 93.7 | Preferred for body text |
| #31471B text on black | 2.04:1 | Fails | Lc -8.8 | 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 900.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC9
oklch(88.6% 0.031 131.6)
-
Step 300
300
#B4C8A4
oklch(80.8% 0.054 131.3)
-
Step 400
400
#8DAC72
oklch(70.6% 0.088 131.2)
-
Step 500
500
#71974C
oklch(63% 0.112 131.1)
-
Step 600
600
#59812D
oklch(55.5% 0.122 131)
-
Step 700
700
#496D20
oklch(49.1% 0.113 131.1)
-
Step 800
800
#3C591D
oklch(42.7% 0.093 131.2)
-
Step 900
900 (this color)
#31471B
oklch(36.8% 0.073 131.3)
-
Step 950
950
#1E2B12
oklch(27% 0.047 131.4)
#31471B 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) | #4A4217 | 0.040 |
| Deuteranopia (no green cones) | #47401E | 0.041 |
| Tritanopia (no blue cones) | #32443D | 0.055 |
| Achromatopsia (no color) | #414141 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31471B
#31471B
oklch(36.8% 0.073 131.3)
- #4C335B
#4C335B
oklch(36.8% 0.073 311.9)
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 #31471B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.030
- Pine Green #0A481E ΔE 0.035
- Evergreen #05472A ΔE 0.039
- Forrest Green #154406 ΔE 0.042
- British Racing Green #05480D ΔE 0.045
- Navy Green #35530A ΔE 0.046
- Darkgreen #054907 ΔE 0.047
- Bottle Green #044A05 ΔE 0.048
Use #31471B 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.