#37402F
Closest named color: Charcoal Grey (#3C4142). oklch(35.8% 0.031 130.6), rgb(55, 64, 47).
Aa
White text reads best on this color (10.84:1).
About this color
#37402F is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.031 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.033 away. White text reads best on it, at 10.84:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #37402F |
| RGB | rgb(55, 64, 47) |
| HSL | hsl(92, 15%, 22%) |
| OKLCH | oklch(35.8% 0.031 130.6) |
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 #37402F | 10.84:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #37402F | 1.93:1 | Fails | Lc 8.8 | Not readable |
| #37402F text on white | 10.84:1 | AAA | Lc 95.1 | Preferred for body text |
| #37402F text on black | 1.93:1 | Fails | Lc -7.5 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD2
oklch(88.5% 0.013 130.8)
-
Step 300
300
#BBC4B4
oklch(80.9% 0.024 131.2)
-
Step 400
400
#99A68E
oklch(70.8% 0.037 130.6)
-
Step 500
500
#809072
oklch(63.2% 0.047 130.6)
-
Step 600
600
#697A5A
oklch(55.7% 0.052 130.7)
-
Step 700
700
#57664A
oklch(49% 0.047 130.9)
-
Step 800
800
#48543D
oklch(42.8% 0.04 130.4)
-
Step 900
900 (this color)
#37402F
oklch(35.8% 0.031 130.6)
-
Step 950
950
#23281E
oklch(26.8% 0.019 129.3)
#37402F 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) | #423E2E | 0.018 |
| Deuteranopia (no green cones) | #403D30 | 0.018 |
| Tritanopia (no blue cones) | #383E3B | 0.024 |
| Achromatopsia (no color) | #3D3D3D | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37402F
#37402F
oklch(35.8% 0.031 130.6)
- #423849
#423849
oklch(35.8% 0.032 311.2)
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 #37402F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.033
- Onyx #343A40 ΔE 0.041
- Dark Olive #373E02 ΔE 0.050
- Pakistan Green #283618 ΔE 0.051
- Evergreen #05472A ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.059
- Charcoal #264653 ΔE 0.059
- Dark Teal #014D4E ΔE 0.063
Use #37402F 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.