#2D3E31
Closest named color: Onyx (#343A40). oklch(34.5% 0.032 151.7), rgb(45, 62, 49).
Aa
White text reads best on this color (11.38:1).
About this color
#2D3E31 is a dark, muted green. In OKLCH its lightness is 34%, its chroma 0.032 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.036 away. White text reads best on it, at 11.38:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.84:1 |
| White text | 11.38:1 |
Values
| HEX | #2D3E31 |
| RGB | rgb(45, 62, 49) |
| HSL | hsl(134, 16%, 21%) |
| OKLCH | oklch(34.5% 0.032 151.7) |
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 #2D3E31 | 11.38:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #2D3E31 | 1.84:1 | Fails | Lc 7.6 | Not readable |
| #2D3E31 text on white | 11.38:1 | AAA | Lc 96.2 | Preferred for body text |
| #2D3E31 text on black | 1.84:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D3DCD5
oklch(88.6% 0.014 152.6)
-
Step 300
300
#B6C5B9
oklch(80.8% 0.023 151.6)
-
Step 400
400
#90A895
oklch(70.8% 0.038 151.4)
-
Step 500
500
#74927B
oklch(63% 0.048 151.9)
-
Step 600
600
#5C7C64
oklch(55.5% 0.052 152.1)
-
Step 700
700
#4C6953
oklch(49.1% 0.049 151.7)
-
Step 800
800
#3E5644
oklch(42.8% 0.042 152.1)
-
Step 900
900 (this color)
#2D3E31
oklch(34.5% 0.032 151.7)
-
Step 950
950
#1F2922
oklch(26.9% 0.019 154.4)
#2D3E31 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) | #3E3B30 | 0.027 |
| Deuteranopia (no green cones) | #3B3932 | 0.027 |
| Tritanopia (no blue cones) | #2B3D3A | 0.017 |
| Achromatopsia (no color) | #3A3A3A | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D3E31
#2D3E31
oklch(34.5% 0.032 151.7)
- #433341
#433341
oklch(34.4% 0.032 330.5)
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 #2D3E31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.039
- Pakistan Green #283618 ΔE 0.042
- Evergreen #05472A ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.055
- Dark Olive #373E02 ΔE 0.055
- Charcoal #264653 ΔE 0.056
- Gunmetal #293241 ΔE 0.058
Use #2D3E31 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.