#39370B
Closest named color: Dark Olive (#373E02). oklch(32.9% 0.062 106.8), rgb(57, 55, 11).
Aa
White text reads best on this color (12.17:1).
About this color
#39370B is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.062 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 12.17:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.72:1 |
| White text | 12.17:1 |
Values
| HEX | #39370B |
| RGB | rgb(57, 55, 11) |
| HSL | hsl(57, 68%, 13%) |
| OKLCH | oklch(32.9% 0.062 106.8) |
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 #39370B | 12.17:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #39370B | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #39370B text on white | 12.17:1 | AAA | Lc 97.7 | Preferred for body text |
| #39370B text on black | 1.72:1 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEBE1
oklch(93.7% 0.013 106.7)
-
Step 200
200
#DBDBC7
oklch(88.6% 0.027 106.9)
-
Step 300
300
#C4C3A1
oklch(80.9% 0.046 106)
-
Step 400
400
#A6A46D
oklch(70.7% 0.074 106.4)
-
Step 500
500
#908D45
oklch(63% 0.094 106.7)
-
Step 600
600
#7B7724
oklch(55.7% 0.103 106.6)
-
Step 700
700
#676416
oklch(49.1% 0.096 107.2)
-
Step 800
800
#545216
oklch(42.8% 0.079 107.4)
-
Step 900
900 (this color)
#39370B
oklch(32.9% 0.062 106.8)
-
Step 950
950
#292810
oklch(27.1% 0.039 106.6)
#39370B 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) | #3C3505 | 0.008 |
| Deuteranopia (no green cones) | #3D360E | 0.009 |
| Tritanopia (no blue cones) | #3E332E | 0.055 |
| Achromatopsia (no color) | #363636 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39370B
#39370B
oklch(32.9% 0.062 106.8)
- #333053
#333053
oklch(33% 0.061 286.5)
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 #39370B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Pakistan Green #283618 ΔE 0.030
- Hunter Green #0B4008 ΔE 0.061
- Forrest Green #154406 ΔE 0.062
- Evergreen #05472A ΔE 0.067
- Pine Green #0A481E ΔE 0.067
- British Racing Green #05480D ΔE 0.074
- Onyx #343A40 ΔE 0.074
Use #39370B 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.