#511C3D
Closest named color: Grape Purple (#5D1451). oklch(32% 0.09 345.1), rgb(81, 28, 61).
Aa
White text reads best on this color (13.26:1).
About this color
#511C3D is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.090 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.046 away. White text reads best on it, at 13.26:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #511C3D |
| RGB | rgb(81, 28, 61) |
| HSL | hsl(323, 49%, 21%) |
| OKLCH | oklch(32% 0.09 345.1) |
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 #511C3D | 13.26:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #511C3D | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #511C3D text on white | 13.26:1 | AAA | Lc 99.2 | Preferred for body text |
| #511C3D text on black | 1.58:1 | 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
#FDF2F8
oklch(97.1% 0.014 343.2)
-
Step 100
100
#FAE2EF
oklch(93.6% 0.031 343.8)
-
Step 200
200
#F7CAE2
oklch(88.5% 0.059 345.1)
-
Step 300
300
#F2A5D0
oklch(80.9% 0.105 345.1)
-
Step 400
400
#E86FB8
oklch(70.6% 0.171 345.2)
-
Step 500
500
#DE3FA7
oklch(63.2% 0.219 345.1)
-
Step 600
600
#C80092
oklch(55.5% 0.236 344.9)
-
Step 700
700
#AA007B
oklch(49.2% 0.209 345.1)
-
Step 800
800
#8C0065
oklch(42.7% 0.182 344.9)
-
Step 900
900
#711352
oklch(37.7% 0.142 345.2)
-
Step 950
950 (this color)
#511C3D
oklch(32% 0.09 345.1)
#511C3D 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) | #212A3E | 0.097 |
| Deuteranopia (no green cones) | #30333C | 0.087 |
| Tritanopia (no blue cones) | #561B29 | 0.037 |
| Achromatopsia (no color) | #303030 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511C3D
#511C3D
oklch(32% 0.09 345.1)
- #003D2A
#003D2A
oklch(31.9% 0.067 165.2)
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 #511C3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.046
- Deep Violet #490648 ΔE 0.054
- Plum Purple #4E0550 ΔE 0.058
- Burgundy #610023 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.061
- Aubergine #3D0734 ΔE 0.068
- Dark Plum #3F012C ΔE 0.074
- Merlot #730039 ΔE 0.075
Use #511C3D 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.