#37331E
Closest named color: Pakistan Green (#283618). oklch(31.9% 0.035 98.7), rgb(55, 51, 30).
Aa
White text reads best on this color (12.69:1).
About this color
#37331E is a dark, muted brown. In OKLCH its lightness is 32%, its chroma 0.035 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.030 away. White text reads best on it, at 12.69:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.65:1 |
| White text | 12.69:1 |
Values
| HEX | #37331E |
| RGB | rgb(55, 51, 30) |
| HSL | hsl(50, 29%, 17%) |
| OKLCH | oklch(31.9% 0.035 98.7) |
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 #37331E | 12.69:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #37331E | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #37331E text on white | 12.69:1 | AAA | Lc 98.7 | Preferred for body text |
| #37331E text on black | 1.65:1 | 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 950.
-
Step 50
50
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDDAC9
oklch(88.6% 0.023 98.7)
-
Step 300
300
#C7C2A4
oklch(81% 0.041 99.4)
-
Step 400
400
#ABA272
oklch(70.8% 0.066 98.8)
-
Step 500
500
#968A4C
oklch(63% 0.084 98.6)
-
Step 600
600
#81742E
oklch(55.6% 0.091 98.8)
-
Step 700
700
#6D6120
oklch(49.1% 0.085 98.7)
-
Step 800
800
#594F1D
oklch(42.6% 0.07 98)
-
Step 900
900
#49421D
oklch(37.7% 0.055 98.8)
-
Step 950
950 (this color)
#37331E
oklch(31.9% 0.035 98.7)
#37331E 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) | #37321C | 0.004 |
| Deuteranopia (no green cones) | #38331F | 0.003 |
| Tritanopia (no blue cones) | #3B302E | 0.033 |
| Achromatopsia (no color) | #333333 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37331E
#37331E
oklch(31.9% 0.035 98.7)
- #2F3144
#2F3144
oklch(32% 0.034 279.6)
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 #37331E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.030
- Dark Olive #373E02 ΔE 0.053
- Onyx #343A40 ΔE 0.053
- Gunmetal #293241 ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.064
- Jet #212529 ΔE 0.072
- Dark Brown #341C02 ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.074
Use #37331E 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.