#37402A
Closest named color: Charcoal Grey (#3C4142). oklch(35.7% 0.038 126.3), rgb(55, 64, 42).
Aa
White text reads best on this color (10.88:1).
About this color
#37402A is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.038 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.041 away. White text reads best on it, at 10.88:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.92:1 |
| White text | 10.88:1 |
Values
| HEX | #37402A |
| RGB | rgb(55, 64, 42) |
| HSL | hsl(85, 21%, 21%) |
| OKLCH | oklch(35.7% 0.038 126.3) |
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 #37402A | 10.88:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #37402A | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #37402A text on white | 10.88:1 | AAA | Lc 95.2 | Preferred for body text |
| #37402A text on black | 1.92:1 | Fails | Lc -7.4 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D6DBD0
oklch(88.4% 0.016 126.8)
-
Step 300
300
#BCC4B1
oklch(80.9% 0.028 125.7)
-
Step 400
400
#99A687
oklch(70.6% 0.046 126.1)
-
Step 500
500
#80906A
oklch(63% 0.058 126.5)
-
Step 600
600
#6A7A51
oklch(55.5% 0.063 125.7)
-
Step 700
700
#586742
oklch(49.1% 0.059 126.4)
-
Step 800
800
#485436
oklch(42.7% 0.049 126.1)
-
Step 900
900 (this color)
#37402A
oklch(35.7% 0.038 126.3)
-
Step 950
950
#23291C
oklch(27.1% 0.025 128.1)
#37402A 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) | #423D29 | 0.020 |
| Deuteranopia (no green cones) | #413D2B | 0.019 |
| Tritanopia (no blue cones) | #383E3A | 0.030 |
| Achromatopsia (no color) | #3D3D3D | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37402A
#37402A
oklch(35.7% 0.038 126.3)
- #41374C
#41374C
oklch(35.6% 0.038 306.2)
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 #37402A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.041
- Dark Olive #373E02 ΔE 0.042
- Pakistan Green #283618 ΔE 0.047
- Onyx #343A40 ΔE 0.048
- Evergreen #05472A ΔE 0.051
- Pine Green #0A481E ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.063
- Charcoal #264653 ΔE 0.066
Use #37402A 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.