#512C8C
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.151 296.6), rgb(81, 44, 140).
Aa
White text reads best on this color (10.05:1).
About this color
#512C8C is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.151 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.041 away. White text reads best on it, at 10.05:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #512C8C |
| RGB | rgb(81, 44, 140) |
| HSL | hsl(263, 52%, 36%) |
| OKLCH | oklch(39.6% 0.151 296.6) |
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 #512C8C | 10.05:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #512C8C | 2.08:1 | Fails | Lc 11.2 | Not readable |
| #512C8C text on white | 10.05:1 | AAA | Lc 92.8 | Preferred for body text |
| #512C8C text on black | 2.08:1 | Fails | Lc -9.7 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DDD1FF
oklch(88.5% 0.064 297)
-
Step 300
300
#C7B2FF
oklch(80.9% 0.109 296.4)
-
Step 400
400
#AD85FF
oklch(70.7% 0.175 296.8)
-
Step 500
500
#9B5FFF
oklch(63.2% 0.227 296.6)
-
Step 600
600
#8839F1
oklch(55.6% 0.252 296.6)
-
Step 700
700
#7328D1
oklch(49% 0.234 296.5)
-
Step 800
800
#5E25A9
oklch(42.7% 0.194 296.8)
-
Step 900
900 (this color)
#512C8C
oklch(39.6% 0.151 296.6)
-
Step 950
950
#2C184E
oklch(26.9% 0.095 296.5)
#512C8C 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) | #00428F | 0.099 |
| Deuteranopia (no green cones) | #00418A | 0.099 |
| Tritanopia (no blue cones) | #424358 | 0.117 |
| Achromatopsia (no color) | #424242 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512C8C
#512C8C
oklch(39.6% 0.151 296.6)
- #444C00
#444C00
oklch(39.6% 0.091 116.4)
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 #512C8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.041
- Rebecca Purple #663399 ΔE 0.049
- Blueberry #464196 ΔE 0.052
- Chrysanthemum #560BAD ΔE 0.065
- Indigo #4B0082 ΔE 0.065
- Imperial Purple #480CA8 ΔE 0.065
- Indigo Blue #3A18B1 ΔE 0.083
- Royal Purple #4B006E ΔE 0.085
Use #512C8C 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.