#511002
Closest named color: Mahogany (#4A0100). oklch(28.8% 0.099 34.5), rgb(81, 16, 2).
Aa
White text reads best on this color (14.73:1).
About this color
#511002 is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.099 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.032 away. White text reads best on it, at 14.73:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.42:1 |
| White text | 14.73:1 |
Values
| HEX | #511002 |
| RGB | rgb(81, 16, 2) |
| HSL | hsl(11, 95%, 16%) |
| OKLCH | oklch(28.8% 0.099 34.5) |
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 #511002 | 14.73:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #511002 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #511002 text on white | 14.73:1 | AAA | Lc 100.7 | Preferred for body text |
| #511002 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DB
oklch(93.7% 0.033 36.5)
-
Step 200
200
#FFCBBE
oklch(88.4% 0.062 34.4)
-
Step 300
300
#FFA691
oklch(80.8% 0.11 33.9)
-
Step 400
400
#FF6C49
oklch(70.8% 0.187 34.7)
-
Step 500
500
#F23C00
oklch(63% 0.224 34.5)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700
#AD2800
oklch(49% 0.174 34.5)
-
Step 800
800
#8F1F00
oklch(42.6% 0.152 34.4)
-
Step 900
900
#791900
oklch(37.8% 0.134 34.5)
-
Step 950
950 (this color)
#511002
oklch(28.8% 0.099 34.5)
#511002 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) | #241F00 | 0.104 |
| Deuteranopia (no green cones) | #342D00 | 0.092 |
| Tritanopia (no blue cones) | #5A000D | 0.031 |
| Achromatopsia (no color) | #282828 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511002
#511002
oklch(28.8% 0.099 34.5)
- #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 #511002, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.032
- Chocolate Brown #411900 ΔE 0.039
- Deep Brown #410200 ΔE 0.051
- Claret #680018 ΔE 0.060
- Burgundy #610023 ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.067
- Reddy Brown #6E1005 ΔE 0.068
- Dark Brown #341C02 ΔE 0.068
Use #511002 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.