#512C66
Closest named color: Grape Purple (#5D1451). oklch(36.8% 0.103 311.8), rgb(81, 44, 102).
Aa
White text reads best on this color (11.04:1).
About this color
#512C66 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.103 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.059 away. White text reads best on it, at 11.04:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #512C66 |
| RGB | rgb(81, 44, 102) |
| HSL | hsl(278, 40%, 29%) |
| OKLCH | oklch(36.8% 0.103 311.8) |
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 #512C66 | 11.04:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #512C66 | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #512C66 text on white | 11.04:1 | AAA | Lc 95.2 | Preferred for body text |
| #512C66 text on black | 1.90:1 | Fails | Lc -7.4 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D2EE
oklch(88.6% 0.042 312.3)
-
Step 300
300
#D1B3E5
oklch(80.9% 0.076 311.7)
-
Step 400
400
#BA89D9
oklch(70.7% 0.125 311.6)
-
Step 500
500
#A969CE
oklch(63.1% 0.159 311.9)
-
Step 600
600
#944EBB
oklch(55.6% 0.173 311.7)
-
Step 700
700
#7E3EA1
oklch(49% 0.16 311.7)
-
Step 800
800
#673482
oklch(42.7% 0.132 312.3)
-
Step 900
900 (this color)
#512C66
oklch(36.8% 0.103 311.8)
-
Step 950
950
#311C3D
oklch(27% 0.065 312.1)
#512C66 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) | #1C3A68 | 0.088 |
| Deuteranopia (no green cones) | #283D65 | 0.079 |
| Tritanopia (no blue cones) | #4F3644 | 0.072 |
| Achromatopsia (no color) | #3C3C3C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512C66
#512C66
oklch(36.8% 0.103 311.8)
- #2A4900
#2A4900
oklch(36.7% 0.101 131.7)
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 #512C66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.072
- Royal Purple #4B006E ΔE 0.076
- Plum Purple #4E0550 ΔE 0.078
- Indigo #4B0082 ΔE 0.085
- Rich Purple #720058 ΔE 0.087
- Deep Violet #490648 ΔE 0.088
- Velvet #750851 ΔE 0.091
Use #512C66 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.