#512C85
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.142 298.7), rgb(81, 44, 133).
Aa
White text reads best on this color (10.24:1).
About this color
#512C85 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.142 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 10.24:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.24:1 |
Values
| HEX | #512C85 |
| RGB | rgb(81, 44, 133) |
| HSL | hsl(265, 50%, 35%) |
| OKLCH | oklch(39% 0.142 298.7) |
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 #512C85 | 10.24:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #512C85 | 2.04:1 | Fails | Lc 10.6 | Not readable |
| #512C85 text on white | 10.24:1 | AAA | Lc 93.3 | Preferred for body text |
| #512C85 text on black | 2.04:1 | Fails | Lc -9.2 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DED1FC
oklch(88.5% 0.06 299)
-
Step 300
300
#CAB2FC
oklch(81% 0.105 298.9)
-
Step 400
400
#B085FB
oklch(70.7% 0.171 298.8)
-
Step 500
500
#9E60F8
oklch(63.1% 0.218 298.8)
-
Step 600
600
#8A3FE7
oklch(55.6% 0.236 298.7)
-
Step 700
700
#752EC9
oklch(49.1% 0.221 298.5)
-
Step 800
800
#5F29A2
oklch(42.7% 0.182 298.6)
-
Step 900
900 (this color)
#512C85
oklch(39% 0.142 298.7)
-
Step 950
950
#2D194B
oklch(27% 0.089 298.7)
#512C85 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) | #004188 | 0.100 |
| Deuteranopia (no green cones) | #004083 | 0.101 |
| Tritanopia (no blue cones) | #454054 | 0.108 |
| Achromatopsia (no color) | #414141 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512C85
#512C85
oklch(39% 0.142 298.7)
- #404B00
#404B00
oklch(38.9% 0.091 118.9)
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 #512C85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Rebecca Purple #663399 ΔE 0.055
- Blueberry #464196 ΔE 0.056
- Indigo #4B0082 ΔE 0.064
- Imperial Purple #480CA8 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.075
- Royal Purple #4B006E ΔE 0.079
- Indigo Blue #3A18B1 ΔE 0.093
Use #512C85 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.