#511D2F
Closest named color: Burgundy (#610023). oklch(31.5% 0.08 1.2), rgb(81, 29, 47).
Aa
White text reads best on this color (13.40:1).
About this color
#511D2F is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.080 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.048 away. White text reads best on it, at 13.40:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.56:1 |
| White text | 13.40:1 |
Values
| HEX | #511D2F |
| RGB | rgb(81, 29, 47) |
| HSL | hsl(339, 47%, 22%) |
| OKLCH | oklch(31.5% 0.08 1.2) |
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 #511D2F | 13.40:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #511D2F | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #511D2F text on white | 13.40:1 | AAA | Lc 99.4 | Preferred for body text |
| #511D2F text on black | 1.56:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3E9
oklch(93.7% 0.027 0.7)
-
Step 200
200
#F8CBD7
oklch(88.4% 0.053 0.4)
-
Step 300
300
#F5A7BD
oklch(81% 0.096 1)
-
Step 400
400
#EB749A
oklch(70.7% 0.151 1.5)
-
Step 500
500
#E14882
oklch(63.1% 0.194 1.2)
-
Step 600
600
#CC1B6B
oklch(55.5% 0.211 1.3)
-
Step 700
700
#B0045A
oklch(49.1% 0.197 1)
-
Step 800
800
#8F0F49
oklch(42.7% 0.163 1.3)
-
Step 900
900
#73193D
oklch(37.7% 0.127 1.4)
-
Step 950
950 (this color)
#511D2F
oklch(31.5% 0.08 1.2)
#511D2F 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) | #262930 | 0.089 |
| Deuteranopia (no green cones) | #34332E | 0.082 |
| Tritanopia (no blue cones) | #581824 | 0.023 |
| Achromatopsia (no color) | #2F2F2F | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511D2F
#511D2F
oklch(31.5% 0.08 1.2)
- #003B33
#003B33
oklch(31.6% 0.057 180.4)
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 #511D2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.048
- Claret #680018 ΔE 0.061
- Grape Purple #5D1451 ΔE 0.070
- Deep Violet #490648 ΔE 0.075
- Aubergine #3D0734 ΔE 0.075
- Eggplant Purple #430541 ΔE 0.077
- Mahogany #4A0100 ΔE 0.077
- Dark Plum #3F012C ΔE 0.077
Use #511D2F 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.