#373B09
Closest named color: Dark Olive (#373E02). oklch(33.8% 0.069 114.1), rgb(55, 59, 9).
Aa
White text reads best on this color (11.71:1).
About this color
#373B09 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.069 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.012 away. White text reads best on it, at 11.71:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.79:1 |
| White text | 11.71:1 |
Values
| HEX | #373B09 |
| RGB | rgb(55, 59, 9) |
| HSL | hsl(65, 74%, 13%) |
| OKLCH | oklch(33.8% 0.069 114.1) |
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 #373B09 | 11.71:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #373B09 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #373B09 text on white | 11.71:1 | AAA | Lc 96.8 | Preferred for body text |
| #373B09 text on black | 1.79:1 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBE0
oklch(93.6% 0.015 115)
-
Step 200
200
#D8DCC6
oklch(88.5% 0.03 115.4)
-
Step 300
300
#C0C59F
oklch(81% 0.052 113.7)
-
Step 400
400
#9FA76A
oklch(70.7% 0.083 114.6)
-
Step 500
500
#899040
oklch(63% 0.104 113.5)
-
Step 600
600
#737A1B
oklch(55.6% 0.114 113.8)
-
Step 700
700
#60670A
oklch(49.1% 0.107 114.4)
-
Step 800
800
#4F540F
oklch(42.8% 0.088 113.8)
-
Step 900
900 (this color)
#373B09
oklch(33.8% 0.069 114.1)
-
Step 950
950
#26290E
oklch(27.1% 0.044 114.6)
#373B09 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) | #403802 | 0.017 |
| Deuteranopia (no green cones) | #40390D | 0.018 |
| Tritanopia (no blue cones) | #3B3731 | 0.060 |
| Achromatopsia (no color) | #383838 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #373B09
#373B09
oklch(33.8% 0.069 114.1)
- #3A3057
#3A3057
oklch(33.9% 0.068 294.3)
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 #373B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.012
- Pakistan Green #283618 ΔE 0.034
- Forrest Green #154406 ΔE 0.050
- Hunter Green #0B4008 ΔE 0.052
- Pine Green #0A481E ΔE 0.056
- Evergreen #05472A ΔE 0.058
- British Racing Green #05480D ΔE 0.061
- Racing Green #014600 ΔE 0.064
Use #373B09 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.