#37442F
Closest named color: Charcoal Grey (#3C4142). oklch(36.9% 0.039 133.9), rgb(55, 68, 47).
Aa
White text reads best on this color (10.34:1).
About this color
#37442F is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.039 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 10.34:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.03:1 |
| White text | 10.34:1 |
Values
| HEX | #37442F |
| RGB | rgb(55, 68, 47) |
| HSL | hsl(97, 18%, 23%) |
| OKLCH | oklch(36.9% 0.039 133.9) |
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 #37442F | 10.34:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #37442F | 2.03:1 | Fails | Lc 9.9 | Not readable |
| #37442F text on white | 10.34:1 | AAA | Lc 94.0 | Preferred for body text |
| #37442F text on black | 2.03:1 | 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
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D5DCD1
oklch(88.6% 0.017 133.8)
-
Step 300
300
#B9C5B2
oklch(80.9% 0.029 133.8)
-
Step 400
400
#95A78A
oklch(70.6% 0.046 133.6)
-
Step 500
500
#7B926D
oklch(63.2% 0.06 133.9)
-
Step 600
600
#647C55
oklch(55.6% 0.065 133.8)
-
Step 700
700
#536845
oklch(49% 0.059 133.4)
-
Step 800
800
#445539
oklch(42.7% 0.049 133.6)
-
Step 900
900 (this color)
#37442F
oklch(36.9% 0.039 133.9)
-
Step 950
950
#22291D
oklch(27% 0.024 132.5)
#37442F 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) | #46412E | 0.025 |
| Deuteranopia (no green cones) | #444030 | 0.024 |
| Tritanopia (no blue cones) | #37423E | 0.028 |
| Achromatopsia (no color) | #404040 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37442F
#37442F
oklch(36.9% 0.039 133.9)
- #47394E
#47394E
oklch(36.8% 0.04 314.3)
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 #37442F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Olive #373E02 ΔE 0.048
- Evergreen #05472A ΔE 0.050
- Onyx #343A40 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.052
- Pine Green #0A481E ΔE 0.058
- Pakistan Green #283618 ΔE 0.059
- Dark Blue Green #005249 ΔE 0.059
Use #37442F 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.