#55010C
Closest named color: Mahogany (#4A0100). oklch(28.5% 0.114 22.8), rgb(85, 1, 12).
Aa
White text reads best on this color (15.04:1).
About this color
#55010C is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.114 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.031 away. White text reads best on it, at 15.04:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.39:1 |
| White text | 15.04:1 |
Values
| HEX | #55010C |
| RGB | rgb(85, 1, 12) |
| HSL | hsl(352, 98%, 17%) |
| OKLCH | oklch(28.5% 0.114 22.8) |
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 #55010C | 15.04:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #55010C | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #55010C text on white | 15.04:1 | AAA | Lc 100.5 | Preferred for body text |
| #55010C text on black | 1.39:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E0
oklch(93.6% 0.032 22.5)
-
Step 200
200
#FFCAC7
oklch(88.5% 0.061 22.1)
-
Step 300
300
#FFA4A0
oklch(80.8% 0.109 22.5)
-
Step 400
400
#FF6868
oklch(70.7% 0.185 23)
-
Step 500
500
#FF0037
oklch(63.1% 0.255 22.8)
-
Step 600
600
#D8002D
oklch(55.7% 0.225 22.8)
-
Step 700
700
#B70024
oklch(49.2% 0.198 23)
-
Step 800
800
#97001C
oklch(42.7% 0.172 22.9)
-
Step 900
900
#7F0016
oklch(37.6% 0.152 22.9)
-
Step 950
950 (this color)
#55010C
oklch(28.5% 0.114 22.8)
#55010C 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) | #1F1B0B | 0.125 |
| Deuteranopia (no green cones) | #332D08 | 0.115 |
| Tritanopia (no blue cones) | #5F0006 | 0.025 |
| Achromatopsia (no color) | #262626 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55010C
#55010C
oklch(28.5% 0.114 22.8)
- #003135
#003135
oklch(28.5% 0.049 203.5)
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 #55010C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.031
- Burgundy #610023 ΔE 0.043
- Claret #680018 ΔE 0.047
- Deep Brown #410200 ΔE 0.052
- Chocolate Brown #411900 ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.064
- Reddy Brown #6E1005 ΔE 0.068
- Dark Plum #3F012C ΔE 0.081
Use #55010C 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.