#512864
Closest named color: Grape Purple (#5D1451). oklch(36% 0.108 313.8), rgb(81, 40, 100).
Aa
White text reads best on this color (11.42:1).
About this color
#512864 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.108 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.052 away. White text reads best on it, at 11.42:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.83:1 |
| White text | 11.42:1 |
Values
| HEX | #512864 |
| RGB | rgb(81, 40, 100) |
| HSL | hsl(281, 43%, 27%) |
| OKLCH | oklch(36% 0.108 313.8) |
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 #512864 | 11.42:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #512864 | 1.83:1 | Fails | Lc 7.9 | Not readable |
| #512864 text on white | 11.42:1 | AAA | Lc 96.0 | Preferred for body text |
| #512864 text on black | 1.83:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E6F5
oklch(93.7% 0.023 314.7)
-
Step 200
200
#E4D1EE
oklch(88.5% 0.044 314.1)
-
Step 300
300
#D4B2E6
oklch(81% 0.081 313.8)
-
Step 400
400
#BE87D9
oklch(70.7% 0.13 314.1)
-
Step 500
500
#AD66CE
oklch(63.1% 0.165 314.1)
-
Step 600
600
#984ABB
oklch(55.5% 0.18 313.9)
-
Step 700
700
#823BA1
oklch(49.1% 0.166 314.1)
-
Step 800
800
#693183
oklch(42.6% 0.139 313.6)
-
Step 900
900 (this color)
#512864
oklch(36% 0.108 313.8)
-
Step 950
950
#321B3D
oklch(27% 0.067 313.9)
#512864 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) | #173766 | 0.096 |
| Deuteranopia (no green cones) | #263B62 | 0.085 |
| Tritanopia (no blue cones) | #4F3242 | 0.071 |
| Achromatopsia (no color) | #3A3A3A | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512864
#512864
oklch(36% 0.108 313.8)
- #254800
#254800
oklch(36.1% 0.103 133.7)
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 #512864, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.052
- Royal Purple #4B006E ΔE 0.068
- Plum Purple #4E0550 ΔE 0.069
- Deep Violet #490648 ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.080
- Indigo #4B0082 ΔE 0.080
- Rich Purple #720058 ΔE 0.082
- Velvet #750851 ΔE 0.087
Use #512864 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.