#373F2C
Closest named color: Charcoal Grey (#3C4142). oklch(35.4% 0.033 126.6), rgb(55, 63, 44).
Aa
White text reads best on this color (10.99:1).
About this color
#373F2C is a dark, muted green. In OKLCH its lightness is 35%, its chroma 0.033 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.037 away. White text reads best on it, at 10.99:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #373F2C |
| RGB | rgb(55, 63, 44) |
| HSL | hsl(85, 18%, 21%) |
| OKLCH | oklch(35.4% 0.033 126.6) |
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 #373F2C | 10.99:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #373F2C | 1.90:1 | Fails | Lc 8.4 | Not readable |
| #373F2C text on white | 10.99:1 | AAA | Lc 95.5 | Preferred for body text |
| #373F2C text on black | 1.90:1 | Fails | Lc 0.0 | 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
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D7DBD1
oklch(88.6% 0.014 124.6)
-
Step 300
300
#BCC4B3
oklch(80.9% 0.025 127.7)
-
Step 400
400
#9AA68B
oklch(70.8% 0.041 127)
-
Step 500
500
#81906E
oklch(63.2% 0.052 127.2)
-
Step 600
600
#6B7A56
oklch(55.7% 0.056 126.5)
-
Step 700
700
#596646
oklch(49% 0.051 126.2)
-
Step 800
800
#49533A
oklch(42.6% 0.042 125.8)
-
Step 900
900 (this color)
#373F2C
oklch(35.4% 0.033 126.6)
-
Step 950
950
#24281D
oklch(26.9% 0.02 124)
#373F2C 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) | #413D2B | 0.017 |
| Deuteranopia (no green cones) | #403C2D | 0.018 |
| Tritanopia (no blue cones) | #383D3A | 0.027 |
| Achromatopsia (no color) | #3C3C3C | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #373F2C
#373F2C
oklch(35.4% 0.033 126.6)
- #40374A
#40374A
oklch(35.4% 0.034 306.2)
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 #373F2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.037
- Onyx #343A40 ΔE 0.043
- Dark Olive #373E02 ΔE 0.046
- Pakistan Green #283618 ΔE 0.047
- Evergreen #05472A ΔE 0.054
- Charcoal #264653 ΔE 0.063
- Pine Green #0A481E ΔE 0.063
- Dark Slate Gray #2F4F4F ΔE 0.063
Use #373F2C 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.