#51140B
Closest named color: Mahogany (#4A0100). oklch(29.4% 0.093 31.3), rgb(81, 20, 11).
Aa
White text reads best on this color (14.43:1).
About this color
#51140B is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.093 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.038 away. White text reads best on it, at 14.43:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.45:1 |
| White text | 14.43:1 |
Values
| HEX | #51140B |
| RGB | rgb(81, 20, 11) |
| HSL | hsl(8, 76%, 18%) |
| OKLCH | oklch(29.4% 0.093 31.3) |
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 #51140B | 14.43:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #51140B | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #51140B text on white | 14.43:1 | AAA | Lc 100.5 | Preferred for body text |
| #51140B text on black | 1.45:1 | 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
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FFCBC1
oklch(88.5% 0.061 30.9)
-
Step 300
300
#FFA695
oklch(80.9% 0.109 31.4)
-
Step 400
400
#FA6F58
oklch(70.6% 0.175 31.3)
-
Step 500
500
#F3391F
oklch(63.1% 0.225 31.2)
-
Step 600
600
#D41F00
oklch(55.6% 0.215 31.3)
-
Step 700
700
#B31800
oklch(49% 0.189 31.3)
-
Step 800
800
#941200
oklch(42.6% 0.165 31.3)
-
Step 900
900
#7D0E00
oklch(37.7% 0.145 31.4)
-
Step 950
950 (this color)
#51140B
oklch(29.4% 0.093 31.3)
#51140B 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) | #262109 | 0.097 |
| Deuteranopia (no green cones) | #352F08 | 0.090 |
| Tritanopia (no blue cones) | #5A0212 | 0.032 |
| Achromatopsia (no color) | #2A2A2A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51140B
#51140B
oklch(29.4% 0.093 31.3)
- #00333B
#00333B
oklch(29.5% 0.051 211.4)
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 #51140B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.038
- Chocolate Brown #411900 ΔE 0.041
- Deep Brown #410200 ΔE 0.056
- Burgundy #610023 ΔE 0.057
- Claret #680018 ΔE 0.057
- Reddy Brown #6E1005 ΔE 0.065
- Dark Brown #341C02 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.071
Use #51140B 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.