#37331F
Closest named color: Pakistan Green (#283618). oklch(31.9% 0.033 98.3), rgb(55, 51, 31).
Aa
White text reads best on this color (12.68:1).
About this color
#37331F is a dark, muted brown. In OKLCH its lightness is 32%, its chroma 0.033 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.031 away. White text reads best on it, at 12.68:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #37331F |
| RGB | rgb(55, 51, 31) |
| HSL | hsl(50, 28%, 17%) |
| OKLCH | oklch(31.9% 0.033 98.3) |
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 #37331F | 12.68:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #37331F | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #37331F text on white | 12.68:1 | AAA | Lc 98.7 | Preferred for body text |
| #37331F 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE2
oklch(93.6% 0.011 95.2)
-
Step 200
200
#DDDAC9
oklch(88.6% 0.023 98.7)
-
Step 300
300
#C7C1A5
oklch(80.8% 0.039 97.2)
-
Step 400
400
#ABA274
oklch(70.8% 0.064 98.4)
-
Step 500
500
#968A4F
oklch(63% 0.08 98.1)
-
Step 600
600
#817432
oklch(55.7% 0.088 98.3)
-
Step 700
700
#6D6124
oklch(49.1% 0.082 98.1)
-
Step 800
800
#594F20
oklch(42.7% 0.067 97.4)
-
Step 900
900
#49421F
oklch(37.7% 0.053 98.3)
-
Step 950
950 (this color)
#37331F
oklch(31.9% 0.033 98.3)
#37331F 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) | #37321E | 0.003 |
| Deuteranopia (no green cones) | #383320 | 0.003 |
| Tritanopia (no blue cones) | #3A302E | 0.031 |
| Achromatopsia (no color) | #333333 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37331F
#37331F
oklch(31.9% 0.033 98.3)
- #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 #37331F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.031
- Onyx #343A40 ΔE 0.052
- Dark Olive #373E02 ΔE 0.054
- Gunmetal #293241 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.063
- Jet #212529 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.073
- Dark Brown #341C02 ΔE 0.073
Use #37331F 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.