#4B3B33
Closest named color: Charcoal Grey (#3C4142). oklch(36.7% 0.026 48), rgb(75, 59, 51).
Aa
White text reads best on this color (10.64:1).
About this color
#4B3B33 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.033 away. White text reads best on it, at 10.64:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #4B3B33 |
| RGB | rgb(75, 59, 51) |
| HSL | hsl(20, 19%, 25%) |
| OKLCH | oklch(36.7% 0.026 48) |
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 #4B3B33 | 10.64:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4B3B33 | 1.97:1 | Fails | Lc 9.2 | Not readable |
| #4B3B33 text on white | 10.64:1 | AAA | Lc 94.7 | Preferred for body text |
| #4B3B33 text on black | 1.97:1 | Fails | Lc -7.9 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#E0D7D3
oklch(88.5% 0.011 45.7)
-
Step 300
300
#CCBDB6
oklch(80.9% 0.02 46.8)
-
Step 400
400
#B29B90
oklch(70.7% 0.032 47.2)
-
Step 500
500
#9F8375
oklch(63.2% 0.04 48.1)
-
Step 600
600
#896C5D
oklch(55.6% 0.044 48.7)
-
Step 700
700
#755A4D
oklch(49.2% 0.041 47)
-
Step 800
800
#5F4A3F
oklch(42.8% 0.034 49)
-
Step 900
900 (this color)
#4B3B33
oklch(36.7% 0.026 48)
-
Step 950
950
#2E241F
oklch(27% 0.018 48)
#4B3B33 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) | #3F3C32 | 0.022 |
| Deuteranopia (no green cones) | #434033 | 0.020 |
| Tritanopia (no blue cones) | #4F3839 | 0.018 |
| Achromatopsia (no color) | #3E3E3E | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3B33
#4B3B33
oklch(36.7% 0.026 48)
- #30424A
#30424A
oklch(36.7% 0.027 227)
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 #4B3B33, 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 0.045
- Purple Brown #673A3F ΔE 0.059
- Charcoal #264653 ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.071
- Mud Brown #60460F ΔE 0.073
- Gunmetal #293241 ΔE 0.075
- Dark Olive #373E02 ΔE 0.076
Use #4B3B33 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.