#511D42
Closest named color: Grape Purple (#5D1451). oklch(32.3% 0.092 340.3), rgb(81, 29, 66).
Aa
White text reads best on this color (13.08:1).
About this color
#511D42 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.092 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.040 away. White text reads best on it, at 13.08:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.60:1 |
| White text | 13.08:1 |
Values
| HEX | #511D42 |
| RGB | rgb(81, 29, 66) |
| HSL | hsl(317, 47%, 22%) |
| OKLCH | oklch(32.3% 0.092 340.3) |
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 #511D42 | 13.08:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #511D42 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #511D42 text on white | 13.08:1 | AAA | Lc 98.9 | Preferred for body text |
| #511D42 text on black | 1.60:1 | 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
#F9E2F0
oklch(93.5% 0.031 340.6)
-
Step 200
200
#F6CAE6
oklch(88.5% 0.061 340)
-
Step 300
300
#F1A5D6
oklch(81% 0.109 340.8)
-
Step 400
400
#E66FC2
oklch(70.7% 0.176 340.3)
-
Step 500
500
#DA3FB2
oklch(63% 0.223 340.2)
-
Step 600
600
#C5009D
oklch(55.5% 0.241 340.4)
-
Step 700
700
#A70085
oklch(49.1% 0.213 340.2)
-
Step 800
800
#8A006D
oklch(42.7% 0.185 340.4)
-
Step 900
900
#6F1359
oklch(37.7% 0.145 340)
-
Step 950
950 (this color)
#511D42
oklch(32.3% 0.092 340.3)
#511D42 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) | #202B43 | 0.098 |
| Deuteranopia (no green cones) | #2F3441 | 0.088 |
| Tritanopia (no blue cones) | #561E2C | 0.042 |
| Achromatopsia (no color) | #313131 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511D42
#511D42
oklch(32.3% 0.092 340.3)
- #003F27
#003F27
oklch(32.5% 0.073 160.5)
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 #511D42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.040
- Deep Violet #490648 ΔE 0.051
- Plum Purple #4E0550 ΔE 0.053
- Eggplant Purple #430541 ΔE 0.060
- Burgundy #610023 ΔE 0.065
- Aubergine #3D0734 ΔE 0.070
- Merlot #730039 ΔE 0.076
- Dark Plum #3F012C ΔE 0.078
Use #511D42 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.