#51182F
Closest named color: Burgundy (#610023). oklch(30.8% 0.089 358.7), rgb(81, 24, 47).
Aa
White text reads best on this color (13.80:1).
About this color
#51182F is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.089 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.043 away. White text reads best on it, at 13.80:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.52:1 |
| White text | 13.80:1 |
Values
| HEX | #51182F |
| RGB | rgb(81, 24, 47) |
| HSL | hsl(336, 54%, 21%) |
| OKLCH | oklch(30.8% 0.089 358.7) |
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 #51182F | 13.80:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #51182F | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #51182F text on white | 13.80:1 | AAA | Lc 99.8 | Preferred for body text |
| #51182F text on black | 1.52:1 | 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
#FCE2E9
oklch(93.6% 0.03 359.5)
-
Step 200
200
#FBCAD8
oklch(88.6% 0.058 359.4)
-
Step 300
300
#F8A4BF
oklch(80.9% 0.104 358.9)
-
Step 400
400
#F06E9F
oklch(70.7% 0.167 358.6)
-
Step 500
500
#E73C87
oklch(63.2% 0.214 358.9)
-
Step 600
600
#D00071
oklch(55.7% 0.226 358.8)
-
Step 700
700
#B0005F
oklch(49.1% 0.2 358.6)
-
Step 800
800
#91004D
oklch(42.6% 0.173 358.7)
-
Step 900
900
#761040
oklch(37.6% 0.139 358.8)
-
Step 950
950 (this color)
#51182F
oklch(30.8% 0.089 358.7)
#51182F 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) | #222630 | 0.099 |
| Deuteranopia (no green cones) | #32312E | 0.089 |
| Tritanopia (no blue cones) | #581221 | 0.027 |
| Achromatopsia (no color) | #2D2D2D | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51182F
#51182F
oklch(30.8% 0.089 358.7)
- #003930
#003930
oklch(30.8% 0.057 178.3)
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 #51182F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.043
- Claret #680018 ΔE 0.060
- Grape Purple #5D1451 ΔE 0.066
- Aubergine #3D0734 ΔE 0.067
- Deep Violet #490648 ΔE 0.067
- Dark Plum #3F012C ΔE 0.068
- Eggplant Purple #430541 ΔE 0.068
- Mahogany #4A0100 ΔE 0.074
Use #51182F 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.