#37481B
Closest named color: Dark Olive (#373E02). oklch(37.6% 0.072 126.9), rgb(55, 72, 27).
Aa
White text reads best on this color (9.97:1).
About this color
#37481B is a dark, moderately saturated green. In OKLCH its lightness is 38%, its chroma 0.072 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.034 away. White text reads best on it, at 9.97:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #37481B |
| RGB | rgb(55, 72, 27) |
| HSL | hsl(83, 45%, 19%) |
| OKLCH | oklch(37.6% 0.072 126.9) |
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 #37481B | 9.97:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #37481B | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #37481B text on white | 9.97:1 | AAA | Lc 93.1 | Preferred for body text |
| #37481B text on black | 2.10:1 | Fails | Lc -9.4 | 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
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC8
oklch(88.5% 0.03 126)
-
Step 300
300
#B7C8A2
oklch(81% 0.055 127.2)
-
Step 400
400
#92AB70
oklch(70.7% 0.086 127.1)
-
Step 500
500
#789649
oklch(63.2% 0.11 126.9)
-
Step 600
600
#618029
oklch(55.8% 0.12 126.8)
-
Step 700
700
#506C1B
oklch(49.2% 0.111 126.9)
-
Step 800
800
#415819
oklch(42.7% 0.093 127.2)
-
Step 900
900 (this color)
#37481B
oklch(37.6% 0.072 126.9)
-
Step 950
950
#202A11
oklch(26.8% 0.045 127.1)
#37481B 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) | #4C4316 | 0.035 |
| Deuteranopia (no green cones) | #49421E | 0.035 |
| Tritanopia (no blue cones) | #39453E | 0.056 |
| Achromatopsia (no color) | #424242 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37481B
#37481B
oklch(37.6% 0.072 126.9)
- #4B365F
#4B365F
oklch(37.5% 0.073 306.8)
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 #37481B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.034
- Navy Green #35530A ΔE 0.042
- Pine Green #0A481E ΔE 0.044
- Evergreen #05472A ΔE 0.047
- Forrest Green #154406 ΔE 0.050
- British Racing Green #05480D ΔE 0.052
- Green Brown #544E03 ΔE 0.053
- Darkgreen #054907 ΔE 0.054
Use #37481B 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.