#4B180D
Closest named color: Chocolate Brown (#411900). oklch(28.8% 0.08 33.8), rgb(75, 24, 13).
Aa
White text reads best on this color (14.62:1).
About this color
#4B180D is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.080 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.029 away. White text reads best on it, at 14.62:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.43:1 |
| White text | 14.62:1 |
Values
| HEX | #4B180D |
| RGB | rgb(75, 24, 13) |
| HSL | hsl(11, 70%, 17%) |
| OKLCH | oklch(28.8% 0.08 33.8) |
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 #4B180D | 14.62:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #4B180D | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #4B180D text on white | 14.62:1 | AAA | Lc 100.9 | Preferred for body text |
| #4B180D text on black | 1.43:1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACDC3
oklch(88.5% 0.053 32.7)
-
Step 300
300
#F7AA98
oklch(80.8% 0.095 33.7)
-
Step 400
400
#F0795E
oklch(70.8% 0.153 34)
-
Step 500
500
#E74E2D
oklch(63.1% 0.195 33.7)
-
Step 600
600
#CE2E00
oklch(55.5% 0.201 33.8)
-
Step 700
700
#AF2600
oklch(49.2% 0.178 33.9)
-
Step 800
800
#901D00
oklch(42.6% 0.154 33.8)
-
Step 900
900
#761D08
oklch(37.7% 0.127 33.9)
-
Step 950
950 (this color)
#4B180D
oklch(28.8% 0.08 33.8)
#4B180D 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) | #26220C | 0.082 |
| Deuteranopia (no green cones) | #332D0B | 0.075 |
| Tritanopia (no blue cones) | #530C16 | 0.031 |
| Achromatopsia (no color) | #292929 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B180D
#4B180D
oklch(28.8% 0.08 33.8)
- #00313A
#00313A
oklch(28.8% 0.051 213.9)
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 #4B180D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.029
- Mahogany #4A0100 ΔE 0.039
- Deep Brown #410200 ΔE 0.052
- Dark Brown #341C02 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.067
- Burgundy #610023 ΔE 0.068
- Claret #680018 ΔE 0.070
- Reddy Brown #6E1005 ΔE 0.077
Use #4B180D 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.