#512D7A
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.127 302.3), rgb(81, 45, 122).
Aa
White text reads best on this color (10.46:1).
About this color
#512D7A is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.127 and its hue 302°. 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 10.46:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #512D7A |
| RGB | rgb(81, 45, 122) |
| HSL | hsl(268, 46%, 33%) |
| OKLCH | oklch(38.3% 0.127 302.3) |
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 #512D7A | 10.46:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #512D7A | 2.00:1 | Fails | Lc 10.0 | Not readable |
| #512D7A text on white | 10.46:1 | AAA | Lc 93.9 | Preferred for body text |
| #512D7A 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
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DFD1F7
oklch(88.4% 0.054 302.1)
-
Step 300
300
#CCB2F4
oklch(80.9% 0.095 302.4)
-
Step 400
400
#B387EF
oklch(70.7% 0.153 302.2)
-
Step 500
500
#A164E9
oklch(63% 0.195 302.3)
-
Step 600
600
#8D46D7
oklch(55.6% 0.212 302.4)
-
Step 700
700
#7836BA
oklch(49.1% 0.197 302.5)
-
Step 800
800
#612E97
oklch(42.6% 0.164 302.1)
-
Step 900
900 (this color)
#512D7A
oklch(38.3% 0.127 302.3)
-
Step 950
950
#2E1A46
oklch(26.9% 0.08 302.3)
#512D7A 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) | #013F7C | 0.101 |
| Deuteranopia (no green cones) | #173F78 | 0.091 |
| Tritanopia (no blue cones) | #493D4F | 0.094 |
| Achromatopsia (no color) | #3F3F3F | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D7A
#512D7A
oklch(38.3% 0.127 302.3)
- #3B4A00
#3B4A00
oklch(38.2% 0.093 121.9)
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 #512D7A, 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
- Blueberry #464196 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.066
- Indigo #4B0082 ΔE 0.069
- Royal Purple #4B006E ΔE 0.075
- Grape Purple #5D1451 ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.092
- Chrysanthemum #560BAD ΔE 0.093
Use #512D7A 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.