#512B66
Closest named color: Grape Purple (#5D1451). oklch(36.6% 0.105 312.1), rgb(81, 43, 102).
Aa
White text reads best on this color (11.12:1).
About this color
#512B66 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.105 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 0.057 away. White text reads best on it, at 11.12:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.88:1 |
| White text | 11.12:1 |
Values
| HEX | #512B66 |
| RGB | rgb(81, 43, 102) |
| HSL | hsl(279, 41%, 28%) |
| OKLCH | oklch(36.6% 0.105 312.1) |
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 #512B66 | 11.12:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #512B66 | 1.88:1 | Fails | Lc 8.5 | Not readable |
| #512B66 text on white | 11.12:1 | AAA | Lc 95.4 | Preferred for body text |
| #512B66 text on black | 1.88:1 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D2B2E6
oklch(80.8% 0.08 312.3)
-
Step 400
400
#BB89D9
oklch(70.8% 0.125 312.1)
-
Step 500
500
#AA68CF
oklch(63.1% 0.162 312.2)
-
Step 600
600
#954DBC
oklch(55.6% 0.176 312)
-
Step 700
700
#7F3DA2
oklch(49.1% 0.163 312)
-
Step 800
800
#673383
oklch(42.6% 0.135 312)
-
Step 900
900 (this color)
#512B66
oklch(36.6% 0.105 312.1)
-
Step 950
950
#311C3E
oklch(27.1% 0.066 311.2)
#512B66 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) | #1B3968 | 0.090 |
| Deuteranopia (no green cones) | #273C65 | 0.080 |
| Tritanopia (no blue cones) | #4F3544 | 0.072 |
| Achromatopsia (no color) | #3B3B3B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512B66
#512B66
oklch(36.6% 0.105 312.1)
- #294900
#294900
oklch(36.6% 0.102 132.1)
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 #512B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.073
- Royal Purple #4B006E ΔE 0.074
- Plum Purple #4E0550 ΔE 0.076
- Indigo #4B0082 ΔE 0.083
- Rich Purple #720058 ΔE 0.086
- Deep Violet #490648 ΔE 0.086
- Velvet #750851 ΔE 0.090
Use #512B66 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.