#512A82
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.141 300.2), rgb(81, 42, 130).
Aa
White text reads best on this color (10.48:1).
About this color
#512A82 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.141 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 10.48:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #512A82 |
| RGB | rgb(81, 42, 130) |
| HSL | hsl(267, 51%, 34%) |
| OKLCH | oklch(38.5% 0.141 300.2) |
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 #512A82 | 10.48:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #512A82 | 2.00:1 | Fails | Lc 10.1 | Not readable |
| #512A82 text on white | 10.48:1 | AAA | Lc 93.8 | Preferred for body text |
| #512A82 text on black | 2.00:1 | Fails | Lc -8.7 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FC
oklch(93.7% 0.03 300.3)
-
Step 200
200
#DFD1FB
oklch(88.5% 0.059 300.4)
-
Step 300
300
#CBB1FB
oklch(80.9% 0.106 300.2)
-
Step 400
400
#B284F9
oklch(70.6% 0.17 300.2)
-
Step 500
500
#A05FF6
oklch(63.1% 0.217 300)
-
Step 600
600
#8C3EE5
oklch(55.6% 0.236 299.9)
-
Step 700
700
#782DC7
oklch(49.1% 0.22 300.3)
-
Step 800
800
#6128A1
oklch(42.7% 0.182 300.1)
-
Step 900
900 (this color)
#512A82
oklch(38.5% 0.141 300.2)
-
Step 950
950
#2E194B
oklch(27.1% 0.089 299.8)
#512A82 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) | #003F85 | 0.102 |
| Deuteranopia (no green cones) | #003F80 | 0.103 |
| Tritanopia (no blue cones) | #463E52 | 0.107 |
| Achromatopsia (no color) | #3F3F3F | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512A82
#512A82
oklch(38.5% 0.141 300.2)
- #3E4A00
#3E4A00
oklch(38.5% 0.091 119.7)
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 #512A82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Rebecca Purple #663399 ΔE 0.059
- Indigo #4B0082 ΔE 0.060
- Blueberry #464196 ΔE 0.062
- Royal Purple #4B006E ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.077
- Chrysanthemum #560BAD ΔE 0.078
- Grape Purple #5D1451 ΔE 0.093
Use #512A82 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.