#511535
Closest named color: Burgundy (#610023). oklch(30.7% 0.096 351.4), rgb(81, 21, 53).
Aa
White text reads best on this color (13.92:1).
About this color
#511535 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.096 and its hue 351°. 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 13.92:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.50:1 |
| White text | 13.92:1 |
Values
| HEX | #511535 |
| RGB | rgb(81, 21, 53) |
| HSL | hsl(328, 59%, 20%) |
| OKLCH | oklch(30.7% 0.096 351.4) |
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 #511535 | 13.92:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #511535 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #511535 text on white | 13.92:1 | AAA | Lc 99.9 | Preferred for body text |
| #511535 text on black | 1.50:1 | 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
#FEF1F7
oklch(97% 0.016 347.6)
-
Step 100
100
#FCE1EC
oklch(93.5% 0.033 351.2)
-
Step 200
200
#FBC9DE
oklch(88.5% 0.063 351.4)
-
Step 300
300
#F9A2C9
oklch(80.9% 0.113 351.5)
-
Step 400
400
#F169AE
oklch(70.7% 0.182 351.1)
-
Step 500
500
#E83099
oklch(63.1% 0.233 351.5)
-
Step 600
600
#CC0083
oklch(55.6% 0.231 351.2)
-
Step 700
700
#AD006E
oklch(49.2% 0.204 351.3)
-
Step 800
800
#8F005A
oklch(42.7% 0.177 351.4)
-
Step 900
900
#77064B
oklch(37.8% 0.152 351.2)
-
Step 950
950 (this color)
#511535
oklch(30.7% 0.096 351.4)
#511535 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) | #1E2536 | 0.107 |
| Deuteranopia (no green cones) | #2F3034 | 0.095 |
| Tritanopia (no blue cones) | #571122 | 0.035 |
| Achromatopsia (no color) | #2C2C2C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511535
#511535
oklch(30.7% 0.096 351.4)
- #00392C
#00392C
oklch(30.7% 0.06 172)
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 #511535, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.047
- Deep Violet #490648 ΔE 0.054
- Grape Purple #5D1451 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.056
- Aubergine #3D0734 ΔE 0.059
- Plum Purple #4E0550 ΔE 0.061
- Dark Plum #3F012C ΔE 0.062
- Claret #680018 ΔE 0.067
Use #511535 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.