#4C151C
Closest named color: Mahogany (#4A0100). oklch(28.9% 0.083 16.6), rgb(76, 21, 28).
Aa
White text reads best on this color (14.67:1).
About this color
#4C151C is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.083 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.043 away. White text reads best on it, at 14.67:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.43:1 |
| White text | 14.67:1 |
Values
| HEX | #4C151C |
| RGB | rgb(76, 21, 28) |
| HSL | hsl(352, 57%, 19%) |
| OKLCH | oklch(28.9% 0.083 16.6) |
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 #4C151C | 14.67:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #4C151C | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #4C151C text on white | 14.67:1 | AAA | Lc 100.9 | Preferred for body text |
| #4C151C 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FBCBCC
oklch(88.4% 0.055 16.8)
-
Step 300
300
#F9A7AA
oklch(80.9% 0.097 17)
-
Step 400
400
#F2727E
oklch(70.6% 0.158 16.2)
-
Step 500
500
#E9445D
oklch(63.1% 0.2 16.7)
-
Step 600
600
#D40D43
oklch(55.5% 0.218 16.7)
-
Step 700
700
#B50037
oklch(49.1% 0.196 16.5)
-
Step 800
800
#95052C
oklch(42.7% 0.168 16.8)
-
Step 900
900
#781628
oklch(37.8% 0.131 16.6)
-
Step 950
950 (this color)
#4C151C
oklch(28.9% 0.083 16.6)
#4C151C 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) | #23211C | 0.090 |
| Deuteranopia (no green cones) | #312D1B | 0.084 |
| Tritanopia (no blue cones) | #540A18 | 0.022 |
| Achromatopsia (no color) | #282828 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C151C
#4C151C
oklch(28.9% 0.083 16.6)
- #003233
#003233
oklch(28.8% 0.049 196.9)
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 #4C151C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.043
- Chocolate Brown #411900 ΔE 0.049
- Burgundy #610023 ΔE 0.052
- Deep Brown #410200 ΔE 0.056
- Claret #680018 ΔE 0.062
- Dark Maroon #3C0008 ΔE 0.064
- Dark Plum #3F012C ΔE 0.069
- Dark Brown #341C02 ΔE 0.071
Use #4C151C 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.