#37452E
Closest named color: Charcoal Grey (#3C4142). oklch(37.1% 0.042 133.6), rgb(55, 69, 46).
Aa
White text reads best on this color (10.22:1).
About this color
#37452E is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.042 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 0.041 away. White text reads best on it, at 10.22:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #37452E |
| RGB | rgb(55, 69, 46) |
| HSL | hsl(97, 20%, 23%) |
| OKLCH | oklch(37.1% 0.042 133.6) |
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 #37452E | 10.22:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #37452E | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #37452E text on white | 10.22:1 | AAA | Lc 93.7 | Preferred for body text |
| #37452E text on black | 2.05:1 | Fails | Lc -8.8 | 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
#D4DCD0
oklch(88.5% 0.018 134.9)
-
Step 300
300
#B9C5B1
oklch(80.9% 0.031 132.6)
-
Step 400
400
#94A888
oklch(70.7% 0.051 133.8)
-
Step 500
500
#7A926A
oklch(63% 0.064 133.2)
-
Step 600
600
#637C52
oklch(55.5% 0.069 133.2)
-
Step 700
700
#526942
oklch(49.1% 0.066 133.2)
-
Step 800
800
#435637
oklch(42.8% 0.055 133.9)
-
Step 900
900 (this color)
#37452E
oklch(37.1% 0.042 133.6)
-
Step 950
950
#21291C
oklch(26.9% 0.026 133.7)
#37452E 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) | #47422D | 0.026 |
| Deuteranopia (no green cones) | #45402F | 0.027 |
| Tritanopia (no blue cones) | #37433F | 0.031 |
| Achromatopsia (no color) | #414141 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37452E
#37452E
oklch(37.1% 0.042 133.6)
- #483950
#483950
oklch(37% 0.043 313.7)
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 #37452E, 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 0.047
- Evergreen #05472A ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.052
- Onyx #343A40 ΔE 0.056
- Pine Green #0A481E ΔE 0.056
- Dark Blue Green #005249 ΔE 0.058
- Dark Teal #014D4E ΔE 0.060
Use #37452E 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.