#37401F
Closest named color: Dark Olive (#373E02). oklch(35.4% 0.053 121.7), rgb(55, 64, 31).
Aa
White text reads best on this color (10.96:1).
About this color
#37401F is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.053 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 10.96:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #37401F |
| RGB | rgb(55, 64, 31) |
| HSL | hsl(76, 35%, 19%) |
| OKLCH | oklch(35.4% 0.053 121.7) |
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 #37401F | 10.96:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #37401F | 1.91:1 | Fails | Lc 8.5 | Not readable |
| #37401F text on white | 10.96:1 | AAA | Lc 95.4 | Preferred for body text |
| #37401F text on black | 1.91:1 | Fails | Lc -7.3 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D6DCCC
oklch(88.5% 0.022 123.7)
-
Step 300
300
#BCC5A9
oklch(80.9% 0.04 121.8)
-
Step 400
400
#9AA77B
oklch(70.7% 0.063 121.4)
-
Step 500
500
#819158
oklch(63% 0.082 121.6)
-
Step 600
600
#6B7B3D
oklch(55.5% 0.089 121.3)
-
Step 700
700
#59682F
oklch(49.1% 0.083 121.7)
-
Step 800
800
#495528
oklch(42.8% 0.069 121.7)
-
Step 900
900 (this color)
#37401F
oklch(35.4% 0.053 121.7)
-
Step 950
950
#242916
oklch(27% 0.034 120.7)
#37401F 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) | #443D1C | 0.022 |
| Deuteranopia (no green cones) | #423C21 | 0.023 |
| Tritanopia (no blue cones) | #393D38 | 0.044 |
| Achromatopsia (no color) | #3C3C3C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37401F
#37401F
oklch(35.4% 0.053 121.7)
- #413553
#413553
oklch(35.5% 0.053 302.1)
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 #37401F, 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 0.043
- Evergreen #05472A ΔE 0.048
- Pine Green #0A481E ΔE 0.051
- Forrest Green #154406 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.056
- Hunter Green #0B4008 ΔE 0.061
- British Racing Green #05480D ΔE 0.063
Use #37401F 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.