#511A39
Closest named color: Grape Purple (#5D1451). oklch(31.5% 0.091 348.7), rgb(81, 26, 57).
Aa
White text reads best on this color (13.49:1).
About this color
#511A39 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.051 away. White text reads best on it, at 13.49:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.55:1 |
| White text | 13.49:1 |
Values
| HEX | #511A39 |
| RGB | rgb(81, 26, 57) |
| HSL | hsl(326, 51%, 21%) |
| OKLCH | oklch(31.5% 0.091 348.7) |
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 #511A39 | 13.49:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #511A39 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #511A39 text on white | 13.49:1 | AAA | Lc 99.4 | Preferred for body text |
| #511A39 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
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FBE2ED
oklch(93.6% 0.031 349.3)
-
Step 200
200
#F9CAE0
oklch(88.6% 0.06 348.6)
-
Step 300
300
#F5A4CC
oklch(80.9% 0.107 348.7)
-
Step 400
400
#EB6EB2
oklch(70.7% 0.171 348.6)
-
Step 500
500
#E13C9F
oklch(63% 0.22 348.5)
-
Step 600
600
#CB0089
oklch(55.7% 0.233 348.8)
-
Step 700
700
#AB0073
oklch(49% 0.205 348.7)
-
Step 800
800
#8E005F
oklch(42.8% 0.179 348.6)
-
Step 900
900
#73114E
oklch(37.7% 0.143 348.5)
-
Step 950
950 (this color)
#511A39
oklch(31.5% 0.091 348.7)
#511A39 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) | #21283A | 0.099 |
| Deuteranopia (no green cones) | #303238 | 0.089 |
| Tritanopia (no blue cones) | #571827 | 0.034 |
| Achromatopsia (no color) | #2E2E2E | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511A39
#511A39
oklch(31.5% 0.091 348.7)
- #003C2C
#003C2C
oklch(31.6% 0.064 168.6)
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 #511A39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.051
- Burgundy #610023 ΔE 0.053
- Deep Violet #490648 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.060
- Plum Purple #4E0550 ΔE 0.061
- Aubergine #3D0734 ΔE 0.065
- Dark Plum #3F012C ΔE 0.070
- Claret #680018 ΔE 0.071
Use #511A39 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.