#37442C
Closest named color: Charcoal Grey (#3C4142). oklch(36.8% 0.043 131.4), rgb(55, 68, 44).
Aa
White text reads best on this color (10.36:1).
About this color
#37442C is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.043 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 0.042 away. White text reads best on it, at 10.36:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.02:1 |
| White text | 10.36:1 |
Values
| HEX | #37442C |
| RGB | rgb(55, 68, 44) |
| HSL | hsl(92, 21%, 22%) |
| OKLCH | oklch(36.8% 0.043 131.4) |
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 #37442C | 10.36:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #37442C | 2.02:1 | Fails | Lc 9.9 | Not readable |
| #37442C text on white | 10.36:1 | AAA | Lc 94.1 | Preferred for body text |
| #37442C text on black | 2.02:1 | Fails | Lc -8.5 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#B9C5B0
oklch(80.8% 0.032 131.6)
-
Step 400
400
#95A886
oklch(70.7% 0.053 131.5)
-
Step 500
500
#7B9268
oklch(63.1% 0.066 131.4)
-
Step 600
600
#647C50
oklch(55.5% 0.071 131.6)
-
Step 700
700
#536940
oklch(49.2% 0.067 131.4)
-
Step 800
800
#445535
oklch(42.6% 0.055 131.1)
-
Step 900
900 (this color)
#37442C
oklch(36.8% 0.043 131.4)
-
Step 950
950
#22291B
oklch(26.9% 0.027 129.6)
#37442C 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) | #46412A | 0.025 |
| Deuteranopia (no green cones) | #44402D | 0.024 |
| Tritanopia (no blue cones) | #38423E | 0.033 |
| Achromatopsia (no color) | #404040 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37442C
#37442C
oklch(36.8% 0.043 131.4)
- #473950
#473950
oklch(36.9% 0.043 311.9)
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 #37442C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.042
- Dark Olive #373E02 ΔE 0.044
- Evergreen #05472A ΔE 0.048
- Pine Green #0A481E ΔE 0.055
- Onyx #343A40 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.056
- Pakistan Green #283618 ΔE 0.057
- Dark Blue Green #005249 ΔE 0.060
Use #37442C 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.