#37430E
Closest named color: Dark Olive (#373E02). oklch(36% 0.076 121.5), rgb(55, 67, 14).
Aa
White text reads best on this color (10.65:1).
About this color
#37430E is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.076 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.016 away. White text reads best on it, at 10.65:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #37430E |
| RGB | rgb(55, 67, 14) |
| HSL | hsl(74, 65%, 16%) |
| OKLCH | oklch(36% 0.076 121.5) |
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 #37430E | 10.65:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #37430E | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #37430E text on white | 10.65:1 | AAA | Lc 94.6 | Preferred for body text |
| #37430E text on black | 1.97:1 | Fails | Lc -8.0 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D5DDC6
oklch(88.5% 0.032 122.7)
-
Step 300
300
#BAC79E
oklch(80.9% 0.057 122)
-
Step 400
400
#97AA68
oklch(70.7% 0.092 121.9)
-
Step 500
500
#7E943D
oklch(63.1% 0.116 121.7)
-
Step 600
600
#687E14
oklch(55.6% 0.127 121.5)
-
Step 700
700
#576A01
oklch(49.1% 0.118 121.2)
-
Step 800
800
#47570A
oklch(42.8% 0.098 121.6)
-
Step 900
900 (this color)
#37430E
oklch(36% 0.076 121.5)
-
Step 950
950
#232A0D
oklch(27% 0.048 121)
#37430E 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) | #483F06 | 0.029 |
| Deuteranopia (no green cones) | #463E12 | 0.030 |
| Tritanopia (no blue cones) | #3A3F39 | 0.065 |
| Achromatopsia (no color) | #3E3E3E | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37430E
#37430E
oklch(36% 0.076 121.5)
- #44335E
#44335E
oklch(36% 0.075 301)
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 #37430E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.016
- Forrest Green #154406 ΔE 0.043
- Pine Green #0A481E ΔE 0.044
- Evergreen #05472A ΔE 0.049
- British Racing Green #05480D ΔE 0.049
- Darkgreen #054907 ΔE 0.052
- Navy Green #35530A ΔE 0.053
- Hunter Green #0B4008 ΔE 0.053
Use #37430E 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.