#3B3029
Closest named color: Onyx (#343A40). oklch(31.9% 0.02 54.3), rgb(59, 48, 41).
Aa
White text reads best on this color (12.79:1).
About this color
#3B3029 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.042 away. White text reads best on it, at 12.79:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.64:1 |
| White text | 12.79:1 |
Values
| HEX | #3B3029 |
| RGB | rgb(59, 48, 41) |
| HSL | hsl(23, 18%, 20%) |
| OKLCH | oklch(31.9% 0.02 54.3) |
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 #3B3029 | 12.79:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #3B3029 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #3B3029 text on white | 12.79:1 | AAA | Lc 98.9 | Preferred for body text |
| #3B3029 text on black | 1.64:1 | 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 950.
-
Step 50
50
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE9E6
oklch(93.7% 0.007 53.4)
-
Step 200
200
#E0D7D1
oklch(88.5% 0.013 56.2)
-
Step 300
300
#CEBDB3
oklch(81% 0.024 52.6)
-
Step 400
400
#B49B8B
oklch(70.7% 0.038 54.6)
-
Step 500
500
#A1826E
oklch(63.1% 0.048 54.5)
-
Step 600
600
#8C6B56
oklch(55.5% 0.053 53.8)
-
Step 700
700
#775946
oklch(49% 0.049 53.6)
-
Step 800
800
#61493A
oklch(42.7% 0.041 53.3)
-
Step 900
900
#4F3D32
oklch(37.6% 0.031 52.9)
-
Step 950
950 (this color)
#3B3029
oklch(31.9% 0.02 54.3)
#3B3029 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) | #333129 | 0.015 |
| Deuteranopia (no green cones) | #363329 | 0.013 |
| Tritanopia (no blue cones) | #3E2E2E | 0.014 |
| Achromatopsia (no color) | #323232 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B3029
#3B3029
oklch(31.9% 0.02 54.3)
- #29343B
#29343B
oklch(31.8% 0.019 236.1)
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 #3B3029, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.042
- Gunmetal #293241 ΔE 0.049
- Pakistan Green #283618 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.058
- Jet #212529 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.069
- Chocolate Brown #411900 ΔE 0.072
Use #3B3029 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.