#511A3A
Closest named color: Grape Purple (#5D1451). oklch(31.5% 0.091 347.6), rgb(81, 26, 58).
Aa
White text reads best on this color (13.47:1).
About this color
#511A3A is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.049 away. White text reads best on it, at 13.47:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.55:1 |
| White text | 13.47:1 |
Values
| HEX | #511A3A |
| RGB | rgb(81, 26, 58) |
| HSL | hsl(325, 51%, 21%) |
| OKLCH | oklch(31.5% 0.091 347.6) |
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 #511A3A | 13.47:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #511A3A | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #511A3A text on white | 13.47:1 | AAA | Lc 99.4 | Preferred for body text |
| #511A3A 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FBE2EE
oklch(93.6% 0.031 347.1)
-
Step 200
200
#F8CAE0
oklch(88.5% 0.059 348)
-
Step 300
300
#F5A4CD
oklch(81% 0.108 348)
-
Step 400
400
#EB6EB4
oklch(70.7% 0.172 347.7)
-
Step 500
500
#E13CA1
oklch(63.1% 0.221 347.8)
-
Step 600
600
#CA008C
oklch(55.6% 0.234 347.5)
-
Step 700
700
#AB0075
oklch(49.1% 0.206 347.8)
-
Step 800
800
#8D0060
oklch(42.6% 0.179 347.7)
-
Step 900
900
#73104F
oklch(37.7% 0.144 347.8)
-
Step 950
950 (this color)
#511A3A
oklch(31.5% 0.091 347.6)
#511A3A 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) | #20293B | 0.101 |
| Deuteranopia (no green cones) | #303239 | 0.089 |
| Tritanopia (no blue cones) | #571827 | 0.036 |
| Achromatopsia (no color) | #2F2F2F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511A3A
#511A3A
oklch(31.5% 0.091 347.6)
- #003C2B
#003C2B
oklch(31.6% 0.065 167.3)
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 #511A3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.049
- Burgundy #610023 ΔE 0.054
- Deep Violet #490648 ΔE 0.054
- Plum Purple #4E0550 ΔE 0.059
- Eggplant Purple #430541 ΔE 0.059
- Aubergine #3D0734 ΔE 0.065
- Dark Plum #3F012C ΔE 0.070
- Claret #680018 ΔE 0.072
Use #511A3A 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.