#4B151F
Closest named color: Mahogany (#4A0100). oklch(28.8% 0.082 12.9), rgb(75, 21, 31).
Aa
White text reads best on this color (14.72:1).
About this color
#4B151F is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.082 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.046 away. White text reads best on it, at 14.72:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.42:1 |
| White text | 14.72:1 |
Values
| HEX | #4B151F |
| RGB | rgb(75, 21, 31) |
| HSL | hsl(349, 56%, 19%) |
| OKLCH | oklch(28.8% 0.082 12.9) |
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 #4B151F | 14.72:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #4B151F | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #4B151F text on white | 14.72:1 | AAA | Lc 101.0 | Preferred for body text |
| #4B151F text on black | 1.42:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FBCBCF
oklch(88.5% 0.055 12.6)
-
Step 300
300
#F8A7AF
oklch(80.9% 0.096 12.9)
-
Step 400
400
#F07385
oklch(70.7% 0.154 12.9)
-
Step 500
500
#E74567
oklch(63.1% 0.198 12.8)
-
Step 600
600
#D2124E
oklch(55.5% 0.215 13)
-
Step 700
700
#B40040
oklch(49.1% 0.196 12.8)
-
Step 800
800
#930834
oklch(42.6% 0.165 12.9)
-
Step 900
900
#76172E
oklch(37.6% 0.129 12.5)
-
Step 950
950 (this color)
#4B151F
oklch(28.8% 0.082 12.9)
#4B151F 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) | #22211F | 0.090 |
| Deuteranopia (no green cones) | #302C1E | 0.082 |
| Tritanopia (no blue cones) | #520B19 | 0.020 |
| Achromatopsia (no color) | #282828 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B151F
#4B151F
oklch(28.8% 0.082 12.9)
- #003231
#003231
oklch(28.7% 0.049 192.6)
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 #4B151F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.046
- Chocolate Brown #411900 ΔE 0.052
- Burgundy #610023 ΔE 0.052
- Deep Brown #410200 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.064
- Dark Plum #3F012C ΔE 0.064
- Claret #680018 ΔE 0.065
- Aubergine #3D0734 ΔE 0.068
Use #4B151F 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.