#512D85
Closest named color: Dark Slate Blue (#483D8B). oklch(39.2% 0.141 298.5), rgb(81, 45, 133).
Aa
White text reads best on this color (10.17:1).
About this color
#512D85 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.141 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 10.17:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.17:1 |
Values
| HEX | #512D85 |
| RGB | rgb(81, 45, 133) |
| HSL | hsl(265, 49%, 35%) |
| OKLCH | oklch(39.2% 0.141 298.5) |
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 #512D85 | 10.17:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #512D85 | 2.06:1 | Fails | Lc 10.8 | Not readable |
| #512D85 text on white | 10.17:1 | AAA | Lc 93.1 | Preferred for body text |
| #512D85 text on black | 2.06:1 | Fails | Lc -9.3 | 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
#DED1FB
oklch(88.4% 0.059 299.3)
-
Step 300
300
#C9B2FC
oklch(80.9% 0.105 298.3)
-
Step 400
400
#AF85FA
oklch(70.6% 0.169 298.5)
-
Step 500
500
#9D61F7
oklch(63.1% 0.215 298.4)
-
Step 600
600
#8940E6
oklch(55.6% 0.234 298.4)
-
Step 700
700
#752FC8
oklch(49.1% 0.219 298.6)
-
Step 800
800
#5F2AA2
oklch(42.8% 0.181 298.5)
-
Step 900
900 (this color)
#512D85
oklch(39.2% 0.141 298.5)
-
Step 950
950
#2D194B
oklch(27% 0.089 298.7)
#512D85 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 | 0.099 |
| Deuteranopia (no green cones) | #004083 | 0.100 |
| Tritanopia (no blue cones) | #454155 | 0.107 |
| Achromatopsia (no color) | #414141 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D85
#512D85
oklch(39.2% 0.141 298.5)
- #414C00
#414C00
oklch(39.3% 0.092 118.8)
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 #512D85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Rebecca Purple #663399 ΔE 0.054
- Blueberry #464196 ΔE 0.055
- Indigo #4B0082 ΔE 0.066
- Imperial Purple #480CA8 ΔE 0.076
- Chrysanthemum #560BAD ΔE 0.076
- Royal Purple #4B006E ΔE 0.081
- Twilight #4E518B ΔE 0.091
Use #512D85 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.