#373E18
Closest named color: Dark Olive (#373E02). oklch(34.8% 0.059 118.2), rgb(55, 62, 24).
Aa
White text reads best on this color (11.26:1).
About this color
#373E18 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.059 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.019 away. White text reads best on it, at 11.26:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.86:1 |
| White text | 11.26:1 |
Values
| HEX | #373E18 |
| RGB | rgb(55, 62, 24) |
| HSL | hsl(71, 44%, 17%) |
| OKLCH | oklch(34.8% 0.059 118.2) |
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 #373E18 | 11.26:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #373E18 | 1.86:1 | Fails | Lc 7.9 | Not readable |
| #373E18 text on white | 11.26:1 | AAA | Lc 96.0 | Preferred for body text |
| #373E18 text on black | 1.86:1 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE2
oklch(93.6% 0.012 116.8)
-
Step 200
200
#D7DCCA
oklch(88.6% 0.025 119.5)
-
Step 300
300
#BDC5A5
oklch(80.9% 0.045 118.8)
-
Step 400
400
#9CA775
oklch(70.7% 0.07 118.3)
-
Step 500
500
#849150
oklch(63.1% 0.09 118.3)
-
Step 600
600
#6E7B33
oklch(55.6% 0.098 118.3)
-
Step 700
700
#5C6825
oklch(49.2% 0.092 118.5)
-
Step 800
800
#4B5420
oklch(42.6% 0.075 117.9)
-
Step 900
900 (this color)
#373E18
oklch(34.8% 0.059 118.2)
-
Step 950
950
#252913
oklch(27% 0.038 117.4)
#373E18 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) | #423B14 | 0.020 |
| Deuteranopia (no green cones) | #413B1A | 0.020 |
| Tritanopia (no blue cones) | #3A3B36 | 0.050 |
| Achromatopsia (no color) | #3B3B3B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #373E18
#373E18
oklch(34.8% 0.059 118.2)
- #3E3354
#3E3354
oklch(34.8% 0.058 298.7)
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 #373E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.019
- Pakistan Green #283618 ΔE 0.038
- Evergreen #05472A ΔE 0.051
- Pine Green #0A481E ΔE 0.052
- Forrest Green #154406 ΔE 0.053
- Hunter Green #0B4008 ΔE 0.057
- British Racing Green #05480D ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.064
Use #373E18 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.