#37402E
Closest named color: Charcoal Grey (#3C4142). oklch(35.8% 0.032 129.5), rgb(55, 64, 46).
Aa
White text reads best on this color (10.85:1).
About this color
#37402E is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.032 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.035 away. White text reads best on it, at 10.85:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #37402E |
| RGB | rgb(55, 64, 46) |
| HSL | hsl(90, 16%, 22%) |
| OKLCH | oklch(35.8% 0.032 129.5) |
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 #37402E | 10.85:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #37402E | 1.93:1 | Fails | Lc 8.8 | Not readable |
| #37402E text on white | 10.85:1 | AAA | Lc 95.1 | Preferred for body text |
| #37402E 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
#BCC4B4
oklch(81% 0.024 128.8)
-
Step 400
400
#99A68C
oklch(70.8% 0.04 129.1)
-
Step 500
500
#809070
oklch(63.2% 0.05 129.4)
-
Step 600
600
#697A58
oklch(55.6% 0.055 129.6)
-
Step 700
700
#586748
oklch(49.2% 0.051 129.1)
-
Step 800
800
#48543B
oklch(42.8% 0.043 128.9)
-
Step 900
900 (this color)
#37402E
oklch(35.8% 0.032 129.5)
-
Step 950
950
#23291E
oklch(27.1% 0.022 131.1)
#37402E 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) | #423D2D | 0.020 |
| Deuteranopia (no green cones) | #403D2F | 0.018 |
| Tritanopia (no blue cones) | #383E3B | 0.025 |
| Achromatopsia (no color) | #3D3D3D | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37402E
#37402E
oklch(35.8% 0.032 129.5)
- #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 #37402E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.035
- Onyx #343A40 ΔE 0.042
- Dark Olive #373E02 ΔE 0.048
- Pakistan Green #283618 ΔE 0.050
- Evergreen #05472A ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.060
- Charcoal #264653 ΔE 0.060
- Pine Green #0A481E ΔE 0.063
Use #37402E 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.