#51182D
Closest named color: Burgundy (#610023). oklch(30.7% 0.088 1), rgb(81, 24, 45).
Aa
White text reads best on this color (13.83:1).
About this color
#51182D is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.088 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.042 away. White text reads best on it, at 13.83:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.51:1 |
| White text | 13.83:1 |
Values
| HEX | #51182D |
| RGB | rgb(81, 24, 45) |
| HSL | hsl(338, 54%, 21%) |
| OKLCH | oklch(30.7% 0.088 1) |
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 #51182D | 13.83:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #51182D | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #51182D text on white | 13.83:1 | AAA | Lc 99.9 | Preferred for body text |
| #51182D text on black | 1.51:1 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FCE2E8
oklch(93.6% 0.03 2)
-
Step 200
200
#FBCAD7
oklch(88.5% 0.058 0.7)
-
Step 300
300
#F9A4BD
oklch(80.9% 0.105 0.6)
-
Step 400
400
#F16E9A
oklch(70.7% 0.166 1.2)
-
Step 500
500
#E83C82
oklch(63.2% 0.213 1)
-
Step 600
600
#D1006C
oklch(55.7% 0.225 0.9)
-
Step 700
700
#B1005A
oklch(49.2% 0.199 1.1)
-
Step 800
800
#920049
oklch(42.7% 0.173 1.1)
-
Step 900
900
#77103D
oklch(37.7% 0.139 1.2)
-
Step 950
950 (this color)
#51182D
oklch(30.7% 0.088 1)
#51182D 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) | #23262E | 0.097 |
| Deuteranopia (no green cones) | #32312C | 0.089 |
| Tritanopia (no blue cones) | #581220 | 0.025 |
| Achromatopsia (no color) | #2D2D2D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51182D
#51182D
oklch(30.7% 0.088 1)
- #003931
#003931
oklch(30.9% 0.056 180)
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 #51182D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.042
- Claret #680018 ΔE 0.058
- Aubergine #3D0734 ΔE 0.068
- Dark Plum #3F012C ΔE 0.068
- Grape Purple #5D1451 ΔE 0.070
- Deep Violet #490648 ΔE 0.070
- Mahogany #4A0100 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.071
Use #51182D 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.