#37230B
Closest named color: Dark Brown (#341C02). oklch(27.6% 0.048 68.3), rgb(55, 35, 11).
Aa
White text reads best on this color (14.91:1).
About this color
#37230B is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.048 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.023 away. White text reads best on it, at 14.91:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.40:1 |
| White text | 14.91:1 |
Values
| HEX | #37230B |
| RGB | rgb(55, 35, 11) |
| HSL | hsl(33, 67%, 13%) |
| OKLCH | oklch(27.6% 0.048 68.3) |
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 #37230B | 14.91:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #37230B | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #37230B text on white | 14.91:1 | AAA | Lc 101.7 | Preferred for body text |
| #37230B text on black | 1.40:1 | 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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DF
oklch(93.6% 0.016 67.6)
-
Step 200
200
#E7D6C4
oklch(88.5% 0.031 69)
-
Step 300
300
#D9BB9A
oklch(81% 0.056 69.6)
-
Step 400
400
#C69661
oklch(70.7% 0.09 68.3)
-
Step 500
500
#B77B31
oklch(63.2% 0.116 68.2)
-
Step 600
600
#A16300
oklch(55.5% 0.122 67.9)
-
Step 700
700
#885300
oklch(49.1% 0.108 68.1)
-
Step 800
800
#704400
oklch(42.8% 0.094 68.6)
-
Step 900
900
#5B390B
oklch(37.7% 0.075 68.7)
-
Step 950
950 (this color)
#37230B
oklch(27.6% 0.048 68.3)
#37230B 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) | #2A2408 | 0.028 |
| Deuteranopia (no green cones) | #2E290C | 0.025 |
| Tritanopia (no blue cones) | #3D1E1E | 0.039 |
| Achromatopsia (no color) | #272727 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37230B
#37230B
oklch(27.6% 0.048 68.3)
- #132A3E
#132A3E
oklch(27.7% 0.047 246.8)
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 #37230B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.023
- Chocolate Brown #411900 ΔE 0.032
- Jet #212529 ΔE 0.059
- Pakistan Green #283618 ΔE 0.063
- Deep Brown #410200 ΔE 0.074
- Mahogany #4A0100 ΔE 0.076
- Dark #1B2431 ΔE 0.077
- Very Dark Green #062E03 ΔE 0.083
Use #37230B 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.