#511D2A
Closest named color: Burgundy (#610023). oklch(31.4% 0.079 7.3), rgb(81, 29, 42).
Aa
White text reads best on this color (13.46:1).
About this color
#511D2A is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.079 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.047 away. White text reads best on it, at 13.46:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.55:1 |
| White text | 13.46:1 |
Values
| HEX | #511D2A |
| RGB | rgb(81, 29, 42) |
| HSL | hsl(345, 47%, 22%) |
| OKLCH | oklch(31.4% 0.079 7.3) |
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 #511D2A | 13.46:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #511D2A | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #511D2A text on white | 13.46:1 | AAA | Lc 99.5 | Preferred for body text |
| #511D2A text on black | 1.55:1 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E6
oklch(93.6% 0.027 9)
-
Step 200
200
#F9CCD3
oklch(88.6% 0.052 7.7)
-
Step 300
300
#F5A7B6
oklch(80.8% 0.094 6.8)
-
Step 400
400
#EC7590
oklch(70.7% 0.149 7.3)
-
Step 500
500
#E24975
oklch(63% 0.191 7.1)
-
Step 600
600
#CE1E5D
oklch(55.6% 0.208 7.5)
-
Step 700
700
#B1084D
oklch(49% 0.193 7.2)
-
Step 800
800
#90113F
oklch(42.7% 0.16 7.4)
-
Step 900
900
#741A36
oklch(37.7% 0.125 7.1)
-
Step 950
950 (this color)
#511D2A
oklch(31.4% 0.079 7.3)
#511D2A 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) | #27282A | 0.088 |
| Deuteranopia (no green cones) | #353229 | 0.079 |
| Tritanopia (no blue cones) | #581722 | 0.020 |
| Achromatopsia (no color) | #2F2F2F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511D2A
#511D2A
oklch(31.4% 0.079 7.3)
- #003A36
#003A36
oklch(31.4% 0.055 187.3)
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 #511D2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.047
- Claret #680018 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.070
- Mahogany #4A0100 ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.078
- Aubergine #3D0734 ΔE 0.079
- Dark Plum #3F012C ΔE 0.080
Use #511D2A 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.