#511528
Closest named color: Burgundy (#610023). oklch(30.2% 0.091 5.1), rgb(81, 21, 40).
Aa
White text reads best on this color (14.11:1).
About this color
#511528 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.091 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.039 away. White text reads best on it, at 14.11:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.48:1 |
| White text | 14.11:1 |
Values
| HEX | #511528 |
| RGB | rgb(81, 21, 40) |
| HSL | hsl(341, 59%, 20%) |
| OKLCH | oklch(30.2% 0.091 5.1) |
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 #511528 | 14.11:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #511528 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #511528 text on white | 14.11:1 | AAA | Lc 100.2 | Preferred for body text |
| #511528 text on black | 1.48:1 | 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FDE2E7
oklch(93.6% 0.03 5)
-
Step 200
200
#FDC9D4
oklch(88.4% 0.061 4.2)
-
Step 300
300
#FCA3B7
oklch(80.9% 0.108 5.1)
-
Step 400
400
#F56C92
oklch(70.8% 0.171 5.2)
-
Step 500
500
#EC3677
oklch(63% 0.219 5.2)
-
Step 600
600
#D20061
oklch(55.5% 0.223 5.2)
-
Step 700
700
#B20051
oklch(49.1% 0.197 5.2)
-
Step 800
800
#930042
oklch(42.7% 0.171 5.1)
-
Step 900
900
#790B37
oklch(37.6% 0.143 5.1)
-
Step 950
950 (this color)
#511528
oklch(30.2% 0.091 5.1)
#511528 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) | #222428 | 0.101 |
| Deuteranopia (no green cones) | #323027 | 0.093 |
| Tritanopia (no blue cones) | #590C1D | 0.024 |
| Achromatopsia (no color) | #2B2B2B | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511528
#511528
oklch(30.2% 0.091 5.1)
- #003732
#003732
oklch(30.3% 0.053 185)
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 #511528, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.039
- Claret #680018 ΔE 0.055
- Mahogany #4A0100 ΔE 0.062
- Dark Plum #3F012C ΔE 0.066
- Aubergine #3D0734 ΔE 0.068
- Chocolate Brown #411900 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.073
- Deep Violet #490648 ΔE 0.074
Use #511528 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.