#373603
Closest named color: Dark Olive (#373E02). oklch(32.4% 0.067 108.5), rgb(55, 54, 3).
Aa
White text reads best on this color (12.41:1).
About this color
#373603 is a dark, muted brown. In OKLCH its lightness is 32%, its chroma 0.067 and its hue 108°. 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 12.41:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.69:1 |
| White text | 12.41:1 |
Values
| HEX | #373603 |
| RGB | rgb(55, 54, 3) |
| HSL | hsl(59, 90%, 11%) |
| OKLCH | oklch(32.4% 0.067 108.5) |
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 #373603 | 12.41:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #373603 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #373603 text on white | 12.41:1 | AAA | Lc 98.2 | Preferred for body text |
| #373603 text on black | 1.69:1 | 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
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#DADBC6
oklch(88.5% 0.028 109.2)
-
Step 300
300
#C3C49E
oklch(81% 0.051 108.7)
-
Step 400
400
#A5A569
oklch(70.8% 0.081 108.3)
-
Step 500
500
#8F8E3E
oklch(63.1% 0.103 108.4)
-
Step 600
600
#7A7817
oklch(55.7% 0.112 108.3)
-
Step 700
700
#666505
oklch(49.2% 0.105 109)
-
Step 800
800
#53520C
oklch(42.6% 0.086 108.7)
-
Step 900
900 (this color)
#373603
oklch(32.4% 0.067 108.5)
-
Step 950
950
#28280D
oklch(27% 0.043 109)
#373603 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) | #3C3300 | 0.012 |
| Deuteranopia (no green cones) | #3C3507 | 0.011 |
| Tritanopia (no blue cones) | #3C322D | 0.061 |
| Achromatopsia (no color) | #343434 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #373603
#373603
oklch(32.4% 0.067 108.5)
- #332D54
#332D54
oklch(32.3% 0.068 289.1)
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 #373603, 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 0.029
- Hunter Green #0B4008 ΔE 0.058
- Forrest Green #154406 ΔE 0.059
- Pine Green #0A481E ΔE 0.067
- Evergreen #05472A ΔE 0.068
- British Racing Green #05480D ΔE 0.072
- Racing Green #014600 ΔE 0.073
Use #373603 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.