#511E40
Closest named color: Grape Purple (#5D1451). oklch(32.4% 0.089 342.5), rgb(81, 30, 64).
Aa
White text reads best on this color (13.04:1).
About this color
#511E40 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.089 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.044 away. White text reads best on it, at 13.04:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.60:1 |
| White text | 13.04:1 |
Values
| HEX | #511E40 |
| RGB | rgb(81, 30, 64) |
| HSL | hsl(320, 46%, 22%) |
| OKLCH | oklch(32.4% 0.089 342.5) |
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 #511E40 | 13.04:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #511E40 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #511E40 text on white | 13.04:1 | AAA | Lc 98.9 | Preferred for body text |
| #511E40 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 900.
-
Step 50
50
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F4E5ED
oklch(93.6% 0.019 344)
-
Step 200
200
#ECD0E0
oklch(88.6% 0.038 342.6)
-
Step 300
300
#E0B0CC
oklch(80.9% 0.067 342.8)
-
Step 400
400
#CF85B3
oklch(70.7% 0.108 342.3)
-
Step 500
500
#C065A0
oklch(63.1% 0.136 342.2)
-
Step 600
600
#AB4A8B
oklch(55.6% 0.148 342.1)
-
Step 700
700
#933B76
oklch(49.2% 0.138 342.4)
-
Step 800
800
#773160
oklch(42.6% 0.114 342.1)
-
Step 900
900 (this color)
#511E40
oklch(32.4% 0.089 342.5)
-
Step 950
950
#391A2E
oklch(27% 0.057 342.3)
#511E40 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) | #222C41 | 0.095 |
| Deuteranopia (no green cones) | #30343F | 0.085 |
| Tritanopia (no blue cones) | #561E2C | 0.038 |
| Achromatopsia (no color) | #313131 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511E40
#511E40
oklch(32.4% 0.089 342.5)
- #003F29
#003F29
oklch(32.5% 0.071 162.5)
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 #511E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.044
- Deep Violet #490648 ΔE 0.055
- Plum Purple #4E0550 ΔE 0.057
- Burgundy #610023 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.063
- Aubergine #3D0734 ΔE 0.072
- Merlot #730039 ΔE 0.076
- Dark Plum #3F012C ΔE 0.079
Use #511E40 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.