#4B2F2B
Closest named color: Onyx (#343A40). oklch(33.8% 0.042 28.4), rgb(75, 47, 43).
Aa
White text reads best on this color (12.06:1).
About this color
#4B2F2B is a dark, muted red. In OKLCH its lightness is 34%, its chroma 0.042 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.054 away. White text reads best on it, at 12.06:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.74:1 |
| White text | 12.06:1 |
Values
| HEX | #4B2F2B |
| RGB | rgb(75, 47, 43) |
| HSL | hsl(8, 27%, 23%) |
| OKLCH | oklch(33.8% 0.042 28.4) |
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 #4B2F2B | 12.06:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #4B2F2B | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #4B2F2B text on white | 12.06:1 | AAA | Lc 97.5 | Preferred for body text |
| #4B2F2B text on black | 1.74:1 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E6
oklch(93.7% 0.009 34.3)
-
Step 200
200
#E5D5D3
oklch(88.5% 0.018 26.1)
-
Step 300
300
#D4B9B5
oklch(80.8% 0.032 27.8)
-
Step 400
400
#BE958F
oklch(70.6% 0.05 28)
-
Step 500
500
#AD7B73
oklch(63.1% 0.064 29.2)
-
Step 600
600
#98635C
oklch(55.5% 0.07 27.8)
-
Step 700
700
#82524C
oklch(49.1% 0.066 27.5)
-
Step 800
800
#6A443E
oklch(42.9% 0.054 29.3)
-
Step 900
900 (this color)
#4B2F2B
oklch(33.8% 0.042 28.4)
-
Step 950
950
#32221F
oklch(27.1% 0.025 30.8)
#4B2F2B 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) | #35332B | 0.043 |
| Deuteranopia (no green cones) | #3C382B | 0.038 |
| Tritanopia (no blue cones) | #512B2E | 0.018 |
| Achromatopsia (no color) | #363636 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2F2B
#4B2F2B
oklch(33.8% 0.042 28.4)
- #1A3D43
#1A3D43
oklch(33.7% 0.042 210.1)
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 #4B2F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.059
- Gunmetal #293241 ΔE 0.069
- Purple Brown #673A3F ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.073
- Chocolate Brown #411900 ΔE 0.077
- Pakistan Green #283618 ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.086
Use #4B2F2B 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.