#512D79
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.126 302.7), rgb(81, 45, 121).
Aa
White text reads best on this color (10.49:1).
About this color
#512D79 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.126 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.49:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #512D79 |
| RGB | rgb(81, 45, 121) |
| HSL | hsl(268, 46%, 33%) |
| OKLCH | oklch(38.3% 0.126 302.7) |
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 #512D79 | 10.49:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #512D79 | 2.00:1 | Fails | Lc 10.0 | Not readable |
| #512D79 text on white | 10.49:1 | AAA | Lc 94.0 | Preferred for body text |
| #512D79 text on black | 2.00:1 | Fails | Lc -8.6 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#E0D1F6
oklch(88.4% 0.053 303.7)
-
Step 300
300
#CCB2F3
oklch(80.8% 0.094 302.7)
-
Step 400
400
#B387ED
oklch(70.6% 0.15 302.6)
-
Step 500
500
#A265E8
oklch(63.2% 0.193 302.7)
-
Step 600
600
#8D47D6
oklch(55.6% 0.21 302.5)
-
Step 700
700
#7837B9
oklch(49.1% 0.194 302.6)
-
Step 800
800
#622F96
oklch(42.8% 0.161 302.8)
-
Step 900
900 (this color)
#512D79
oklch(38.3% 0.126 302.7)
-
Step 950
950
#2E1A46
oklch(26.9% 0.08 302.3)
#512D79 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) | #033F7B | 0.100 |
| Deuteranopia (no green cones) | #183F77 | 0.090 |
| Tritanopia (no blue cones) | #493D4E | 0.094 |
| Achromatopsia (no color) | #3F3F3F | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D79
#512D79
oklch(38.3% 0.126 302.7)
- #3A4A00
#3A4A00
oklch(38.1% 0.093 122.6)
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 #512D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.067
- Indigo #4B0082 ΔE 0.069
- Royal Purple #4B006E ΔE 0.075
- Grape Purple #5D1451 ΔE 0.082
- Imperial Purple #480CA8 ΔE 0.093
- Twilight #4E518B ΔE 0.094
Use #512D79 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.