#3A4031
Closest named color: Charcoal Grey (#3C4142). oklch(36.1% 0.026 125.4), rgb(58, 64, 49).
Aa
White text reads best on this color (10.72:1).
About this color
#3A4031 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.028 away. White text reads best on it, at 10.72:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #3A4031 |
| RGB | rgb(58, 64, 49) |
| HSL | hsl(84, 13%, 22%) |
| OKLCH | oklch(36.1% 0.026 125.4) |
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 #3A4031 | 10.72:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #3A4031 | 1.95:1 | Fails | Lc 9.0 | Not readable |
| #3A4031 text on white | 10.72:1 | AAA | Lc 94.9 | Preferred for body text |
| #3A4031 text on black | 1.95:1 | Fails | Lc -7.7 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE6
oklch(93.5% 0.005 117.9)
-
Step 200
200
#D7DAD3
oklch(88.4% 0.01 125.7)
-
Step 300
300
#BDC3B5
oklch(80.9% 0.02 125.9)
-
Step 400
400
#9CA48F
oklch(70.6% 0.031 124.2)
-
Step 500
500
#848E74
oklch(63.1% 0.04 124.6)
-
Step 600
600
#6D785C
oklch(55.5% 0.044 125.2)
-
Step 700
700
#5B654C
oklch(49.1% 0.04 125.6)
-
Step 800
800
#4A523E
oklch(42.5% 0.034 125.5)
-
Step 900
900 (this color)
#3A4031
oklch(36.1% 0.026 125.4)
-
Step 950
950
#24281F
oklch(27% 0.017 127.1)
#3A4031 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 | 0.014 |
| Deuteranopia (no green cones) | #413E32 | 0.013 |
| Tritanopia (no blue cones) | #3B3F3C | 0.020 |
| Achromatopsia (no color) | #3E3E3E | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A4031
#3A4031
oklch(36.1% 0.026 125.4)
- #413A49
#413A49
oklch(36.2% 0.027 306.2)
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 #3A4031, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.028
- Onyx #343A40 ΔE 0.039
- Dark Olive #373E02 ΔE 0.054
- Pakistan Green #283618 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
- Charcoal #264653 ΔE 0.057
- Evergreen #05472A ΔE 0.060
- Dark Teal #014D4E ΔE 0.064
Use #3A4031 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.