#55150B
Closest named color: Mahogany (#4A0100). oklch(30.3% 0.096 31.7), rgb(85, 21, 11).
Aa
White text reads best on this color (14.01:1).
About this color
#55150B is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.096 and its hue 32°. 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 14.01:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.49:1 |
| White text | 14.01:1 |
Values
| HEX | #55150B |
| RGB | rgb(85, 21, 11) |
| HSL | hsl(8, 77%, 19%) |
| OKLCH | oklch(30.3% 0.096 31.7) |
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 #55150B | 14.01:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #55150B | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #55150B text on white | 14.01:1 | AAA | Lc 99.9 | Preferred for body text |
| #55150B text on black | 1.49:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE3DD
oklch(93.7% 0.032 32.1)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA695
oklch(80.9% 0.109 31.4)
-
Step 400
400
#FD6C53
oklch(70.6% 0.182 31.8)
-
Step 500
500
#F63211
oklch(63% 0.233 31.7)
-
Step 600
600
#D32200
oklch(55.6% 0.212 31.7)
-
Step 700
700
#B31B00
oklch(49.2% 0.188 31.7)
-
Step 800
800
#941400
oklch(42.7% 0.164 31.6)
-
Step 900
900
#7C0F00
oklch(37.6% 0.144 31.6)
-
Step 950
950 (this color)
#55150B
oklch(30.3% 0.096 31.7)
#55150B 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) | #282309 | 0.101 |
| Deuteranopia (no green cones) | #383108 | 0.092 |
| Tritanopia (no blue cones) | #5E0113 | 0.033 |
| Achromatopsia (no color) | #2C2C2C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55150B
#55150B
oklch(30.3% 0.096 31.7)
- #00353E
#00353E
oklch(30.2% 0.053 212.8)
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 #55150B, 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 0.049
- Claret #680018 ΔE 0.050
- Burgundy #610023 ΔE 0.053
- Reddy Brown #6E1005 ΔE 0.056
- Deep Brown #410200 ΔE 0.065
- Blood #770001 ΔE 0.074
- Dark Brown #341C02 ΔE 0.077
Use #55150B 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.