#31400B
Closest named color: Dark Olive (#373E02). oklch(34.6% 0.077 124.3), rgb(49, 64, 11).
Aa
White text reads best on this color (11.23:1).
About this color
#31400B is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.077 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.010 away. White text reads best on it, at 11.23:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.86:1 |
| White text | 11.23:1 |
Values
| HEX | #31400B |
| RGB | rgb(49, 64, 11) |
| HSL | hsl(77, 71%, 15%) |
| OKLCH | oklch(34.6% 0.077 124.3) |
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 #31400B | 11.23:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #31400B | 1.86:1 | Fails | Lc 8.0 | Not readable |
| #31400B text on white | 11.23:1 | AAA | Lc 95.8 | Preferred for body text |
| #31400B text on black | 1.86:1 | Fails | Lc 0.0 | 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
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D4DDC6
oklch(88.4% 0.032 124.5)
-
Step 300
300
#B8C89F
oklch(81% 0.058 125)
-
Step 400
400
#94AB69
oklch(70.8% 0.094 124.4)
-
Step 500
500
#7A953F
oklch(63% 0.118 124.3)
-
Step 600
600
#637F18
oklch(55.5% 0.128 124.3)
-
Step 700
700
#526B07
oklch(49% 0.119 124.3)
-
Step 800
800
#43580D
oklch(42.8% 0.1 124.8)
-
Step 900
900 (this color)
#31400B
oklch(34.6% 0.077 124.3)
-
Step 950
950
#212A0E
oklch(26.9% 0.048 124.4)
#31400B 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) | #443B03 | 0.033 |
| Deuteranopia (no green cones) | #423B10 | 0.033 |
| Tritanopia (no blue cones) | #343C36 | 0.064 |
| Achromatopsia (no color) | #3B3B3B | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31400B
#31400B
oklch(34.6% 0.077 124.3)
- #432E5A
#432E5A
oklch(34.7% 0.078 304.7)
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 #31400B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.010
- Forrest Green #154406 ΔE 0.035
- Pine Green #0A481E ΔE 0.040
- Hunter Green #0B4008 ΔE 0.041
- Pakistan Green #283618 ΔE 0.043
- British Racing Green #05480D ΔE 0.045
- Evergreen #05472A ΔE 0.045
- Darkgreen #054907 ΔE 0.048
Use #31400B 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.