#31481D
Closest named color: Dark Olive (#373E02). oklch(37.1% 0.073 132.3), rgb(49, 72, 29).
Aa
White text reads best on this color (10.11:1).
About this color
#31481D is a dark, moderately saturated green. In OKLCH its lightness is 37%, its chroma 0.073 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.033 away. White text reads best on it, at 10.11:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #31481D |
| RGB | rgb(49, 72, 29) |
| HSL | hsl(92, 43%, 20%) |
| OKLCH | oklch(37.1% 0.073 132.3) |
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 #31481D | 10.11:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #31481D | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #31481D text on white | 10.11:1 | AAA | Lc 93.4 | Preferred for body text |
| #31481D text on black | 2.07:1 | Fails | Lc -9.1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D2DEC9
oklch(88.6% 0.031 131.6)
-
Step 300
300
#B3C9A4
oklch(80.9% 0.056 132.7)
-
Step 400
400
#8CAC73
oklch(70.6% 0.087 132.1)
-
Step 500
500
#6F984E
oklch(63.2% 0.112 132.6)
-
Step 600
600
#578230
oklch(55.7% 0.122 132.5)
-
Step 700
700
#476E22
oklch(49.2% 0.114 132.5)
-
Step 800
800
#3B591E
oklch(42.6% 0.093 132)
-
Step 900
900 (this color)
#31481D
oklch(37.1% 0.073 132.3)
-
Step 950
950
#1E2B13
oklch(27% 0.045 132)
#31481D 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) | #4B4319 | 0.042 |
| Deuteranopia (no green cones) | #484120 | 0.043 |
| Tritanopia (no blue cones) | #32453E | 0.054 |
| Achromatopsia (no color) | #424242 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31481D
#31481D
oklch(37.1% 0.073 132.3)
- #4D345C
#4D345C
oklch(37.2% 0.073 312)
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 #31481D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.033
- Pine Green #0A481E ΔE 0.036
- Evergreen #05472A ΔE 0.039
- Forrest Green #154406 ΔE 0.044
- Navy Green #35530A ΔE 0.044
- British Racing Green #05480D ΔE 0.046
- Darkgreen #054907 ΔE 0.048
- Bottle Green #044A05 ΔE 0.049
Use #31481D 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.