#374331
Closest named color: Charcoal Grey (#3C4142). oklch(36.6% 0.034 135.3), rgb(55, 67, 49).
Aa
White text reads best on this color (10.44:1).
About this color
#374331 is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.034 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.033 away. White text reads best on it, at 10.44:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.00:1 |
| White text | 10.44:1 |
Values
| HEX | #374331 |
| RGB | rgb(55, 67, 49) |
| HSL | hsl(100, 16%, 23%) |
| OKLCH | oklch(36.6% 0.034 135.3) |
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 #374331 | 10.44:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #374331 | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #374331 text on white | 10.44:1 | AAA | Lc 94.3 | Preferred for body text |
| #374331 text on black | 2.00:1 | Fails | Lc -8.3 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D5DBD2
oklch(88.4% 0.014 134.9)
-
Step 300
300
#BAC5B4
oklch(81% 0.026 134.3)
-
Step 400
400
#96A78D
oklch(70.8% 0.042 134.7)
-
Step 500
500
#7C9171
oklch(63.1% 0.053 134.9)
-
Step 600
600
#657B5A
oklch(55.6% 0.056 135.4)
-
Step 700
700
#54684A
oklch(49.2% 0.052 135.4)
-
Step 800
800
#45553C
oklch(42.8% 0.045 134.5)
-
Step 900
900 (this color)
#374331
oklch(36.6% 0.034 135.3)
-
Step 950
950
#22291E
oklch(27% 0.022 134.3)
#374331 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) | #444030 | 0.022 |
| Deuteranopia (no green cones) | #433F32 | 0.023 |
| Tritanopia (no blue cones) | #37423E | 0.023 |
| Achromatopsia (no color) | #3F3F3F | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374331
#374331
oklch(36.6% 0.034 135.3)
- #46394B
#46394B
oklch(36.6% 0.035 316.5)
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 #374331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.033
- Onyx #343A40 ΔE 0.046
- Dark Olive #373E02 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.051
- Evergreen #05472A ΔE 0.052
- Charcoal #264653 ΔE 0.056
- Pakistan Green #283618 ΔE 0.058
- Dark Teal #014D4E ΔE 0.058
Use #374331 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.