#373A04
Closest named color: Dark Olive (#373E02). oklch(33.5% 0.071 113), rgb(55, 58, 4).
Aa
White text reads best on this color (11.86:1).
About this color
#373A04 is a dark, moderately saturated brown. In OKLCH its lightness is 33%, its chroma 0.071 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.014 away. White text reads best on it, at 11.86:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.76:1 |
| White text | 11.86:1 |
Values
| HEX | #373A04 |
| RGB | rgb(55, 58, 4) |
| HSL | hsl(63, 87%, 12%) |
| OKLCH | oklch(33.5% 0.071 113) |
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 #373A04 | 11.86:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #373A04 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #373A04 text on white | 11.86:1 | AAA | Lc 97.1 | Preferred for body text |
| #373A04 text on black | 1.76:1 | 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
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#D9DCC6
oklch(88.6% 0.03 113.3)
-
Step 300
300
#C0C59D
oklch(80.9% 0.054 113.4)
-
Step 400
400
#A1A767
oklch(70.8% 0.086 113)
-
Step 500
500
#8A903B
oklch(63.1% 0.109 112.8)
-
Step 600
600
#747A10
oklch(55.6% 0.119 113.2)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505407
oklch(42.8% 0.092 112.9)
-
Step 900
900 (this color)
#373A04
oklch(33.5% 0.071 113)
-
Step 950
950
#27290D
oklch(27.1% 0.045 112.7)
#373A04 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) | #3F3700 | 0.016 |
| Deuteranopia (no green cones) | #3F3808 | 0.017 |
| Tritanopia (no blue cones) | #3C3630 | 0.063 |
| Achromatopsia (no color) | #373737 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #373A04
#373A04
oklch(33.5% 0.071 113)
- #382F58
#382F58
oklch(33.5% 0.071 292.2)
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 #373A04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.014
- Pakistan Green #283618 ΔE 0.034
- Forrest Green #154406 ΔE 0.051
- Hunter Green #0B4008 ΔE 0.052
- Pine Green #0A481E ΔE 0.058
- Evergreen #05472A ΔE 0.060
- British Racing Green #05480D ΔE 0.062
- Racing Green #014600 ΔE 0.065
Use #373A04 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.