#511C27
Closest named color: Burgundy (#610023). oklch(31.1% 0.08 10.3), rgb(81, 28, 39).
Aa
White text reads best on this color (13.58:1).
About this color
#511C27 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.080 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.046 away. White text reads best on it, at 13.58:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.54:1 |
| White text | 13.58:1 |
Values
| HEX | #511C27 |
| RGB | rgb(81, 28, 39) |
| HSL | hsl(348, 49%, 21%) |
| OKLCH | oklch(31.1% 0.08 10.3) |
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 #511C27 | 13.58:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #511C27 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #511C27 text on white | 13.58:1 | AAA | Lc 99.6 | Preferred for body text |
| #511C27 text on black | 1.54:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E5
oklch(93.7% 0.028 12.1)
-
Step 200
200
#FACCD1
oklch(88.6% 0.052 10.8)
-
Step 300
300
#F7A7B2
oklch(80.9% 0.095 10.4)
-
Step 400
400
#EE748A
oklch(70.7% 0.151 10.4)
-
Step 500
500
#E5486E
oklch(63.2% 0.194 10.3)
-
Step 600
600
#D01A56
oklch(55.6% 0.211 10.3)
-
Step 700
700
#B30246
oklch(49.1% 0.195 10.3)
-
Step 800
800
#920E3A
oklch(42.8% 0.162 10.2)
-
Step 900
900
#751932
oklch(37.7% 0.126 10)
-
Step 950
950 (this color)
#511C27
oklch(31.1% 0.08 10.3)
#511C27 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) | #272727 | 0.089 |
| Deuteranopia (no green cones) | #353226 | 0.081 |
| Tritanopia (no blue cones) | #591520 | 0.021 |
| Achromatopsia (no color) | #2E2E2E | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511C27
#511C27
oklch(31.1% 0.08 10.3)
- #003937
#003937
oklch(31.1% 0.054 190.9)
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 #511C27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.046
- Claret #680018 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.066
- Mahogany #4A0100 ΔE 0.066
- Reddy Brown #6E1005 ΔE 0.071
- Dark Plum #3F012C ΔE 0.080
- Aubergine #3D0734 ΔE 0.080
- Deep Brown #410200 ΔE 0.080
Use #511C27 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.