#304131
Closest named color: Charcoal Grey (#3C4142). oklch(35.5% 0.035 146.3), rgb(48, 65, 49).
Aa
White text reads best on this color (10.90:1).
About this color
#304131 is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.035 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.036 away. White text reads best on it, at 10.90:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #304131 |
| RGB | rgb(48, 65, 49) |
| HSL | hsl(124, 15%, 22%) |
| OKLCH | oklch(35.5% 0.035 146.3) |
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 #304131 | 10.90:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #304131 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #304131 text on white | 10.90:1 | AAA | Lc 95.2 | Preferred for body text |
| #304131 text on black | 1.92:1 | Fails | Lc -7.4 | 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
#D3DCD3
oklch(88.5% 0.016 145.4)
-
Step 300
300
#B6C5B7
oklch(80.8% 0.025 147.2)
-
Step 400
400
#90A891
oklch(70.7% 0.043 146.2)
-
Step 500
500
#759376
oklch(63.2% 0.055 145.8)
-
Step 600
600
#5D7D5F
oklch(55.6% 0.059 146.3)
-
Step 700
700
#4C694E
oklch(49% 0.055 146.4)
-
Step 800
800
#3F5640
oklch(42.7% 0.046 145.8)
-
Step 900
900 (this color)
#304131
oklch(35.5% 0.035 146.3)
-
Step 950
950
#202920
oklch(26.9% 0.021 145)
#304131 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) | #423E30 | 0.029 |
| Deuteranopia (no green cones) | #3F3C32 | 0.028 |
| Tritanopia (no blue cones) | #2E403D | 0.022 |
| Achromatopsia (no color) | #3D3D3D | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #304131
#304131
oklch(35.5% 0.035 146.3)
- #463646
#463646
oklch(35.7% 0.035 326.3)
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 #304131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.036
- Onyx #343A40 ΔE 0.041
- Evergreen #05472A ΔE 0.046
- Pakistan Green #283618 ΔE 0.049
- Dark Olive #373E02 ΔE 0.051
- Charcoal #264653 ΔE 0.055
- Dark Teal #014D4E ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
Use #304131 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.