#511E27
Closest named color: Burgundy (#610023). oklch(31.4% 0.077 11.8), rgb(81, 30, 39).
Aa
White text reads best on this color (13.41:1).
About this color
#511E27 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.077 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.049 away. White text reads best on it, at 13.41:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.56:1 |
| White text | 13.41:1 |
Values
| HEX | #511E27 |
| RGB | rgb(81, 30, 39) |
| HSL | hsl(349, 46%, 22%) |
| OKLCH | oklch(31.4% 0.077 11.8) |
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 #511E27 | 13.41:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #511E27 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #511E27 text on white | 13.41:1 | AAA | Lc 99.4 | Preferred for body text |
| #511E27 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FBE3E5
oklch(93.6% 0.026 11.9)
-
Step 200
200
#F9CCD0
oklch(88.5% 0.051 12.1)
-
Step 300
300
#F5A8B1
oklch(80.8% 0.091 11.6)
-
Step 400
400
#EC7689
oklch(70.7% 0.146 11.4)
-
Step 500
500
#E24C6C
oklch(63.1% 0.186 11.6)
-
Step 600
600
#CD2453
oklch(55.6% 0.202 12)
-
Step 700
700
#B11144
oklch(49.1% 0.188 11.7)
-
Step 800
800
#901538
oklch(42.7% 0.156 11.8)
-
Step 900
900
#741C30
oklch(37.8% 0.122 12.1)
-
Step 950
950 (this color)
#511E27
oklch(31.4% 0.077 11.8)
#511E27 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) | #292827 | 0.084 |
| Deuteranopia (no green cones) | #363326 | 0.078 |
| Tritanopia (no blue cones) | #581721 | 0.019 |
| Achromatopsia (no color) | #2F2F2F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511E27
#511E27
oklch(31.4% 0.077 11.8)
- #003A38
#003A38
oklch(31.5% 0.054 191)
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 #511E27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.049
- Claret #680018 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.066
- Mahogany #4A0100 ΔE 0.069
- Reddy Brown #6E1005 ΔE 0.070
- Deep Brown #410200 ΔE 0.083
- Grape Purple #5D1451 ΔE 0.084
- Aubergine #3D0734 ΔE 0.084
Use #511E27 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.