#512C69
Closest named color: Grape Purple (#5D1451). oklch(37% 0.107 310.2), rgb(81, 44, 105).
Aa
White text reads best on this color (10.97:1).
About this color
#512C69 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.107 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.062 away. White text reads best on it, at 10.97:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.97:1 |
Values
| HEX | #512C69 |
| RGB | rgb(81, 44, 105) |
| HSL | hsl(276, 41%, 29%) |
| OKLCH | oklch(37% 0.107 310.2) |
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 #512C69 | 10.97:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #512C69 | 1.91:1 | Fails | Lc 8.8 | Not readable |
| #512C69 text on white | 10.97:1 | AAA | Lc 95.1 | Preferred for body text |
| #512C69 text on black | 1.91:1 | Fails | Lc -7.6 | 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
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E2D1F0
oklch(88.4% 0.046 309.9)
-
Step 300
300
#D1B3E8
oklch(81% 0.08 310.2)
-
Step 400
400
#B989DC
oklch(70.7% 0.128 310)
-
Step 500
500
#A869D2
oklch(63.2% 0.163 310.2)
-
Step 600
600
#934DBF
oklch(55.6% 0.178 310.2)
-
Step 700
700
#7D3DA5
oklch(49% 0.166 310)
-
Step 800
800
#663386
oklch(42.7% 0.138 310.2)
-
Step 900
900 (this color)
#512C69
oklch(37% 0.107 310.2)
-
Step 950
950
#311C3F
oklch(27.2% 0.067 310.3)
#512C69 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) | #1A3B6B | 0.090 |
| Deuteranopia (no green cones) | #263D67 | 0.081 |
| Tritanopia (no blue cones) | #4E3746 | 0.075 |
| Achromatopsia (no color) | #3C3C3C | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512C69
#512C69
oklch(37% 0.107 310.2)
- #2D4900
#2D4900
oklch(36.9% 0.099 130.1)
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 #512C69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.068
- Royal Purple #4B006E ΔE 0.075
- Plum Purple #4E0550 ΔE 0.080
- Indigo #4B0082 ΔE 0.081
- Blueberry #464196 ΔE 0.088
- Rich Purple #720058 ΔE 0.088
- Rebecca Purple #663399 ΔE 0.090
Use #512C69 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.