#512C7D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.132 301.4), rgb(81, 44, 125).
Aa
White text reads best on this color (10.46:1).
About this color
#512C7D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.132 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 10.46:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #512C7D |
| RGB | rgb(81, 44, 125) |
| HSL | hsl(267, 48%, 33%) |
| OKLCH | oklch(38.4% 0.132 301.4) |
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 #512C7D | 10.46:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #512C7D | 2.00:1 | Fails | Lc 10.1 | Not readable |
| #512C7D text on white | 10.46:1 | AAA | Lc 93.9 | Preferred for body text |
| #512C7D 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DFD1F8
oklch(88.4% 0.055 301.6)
-
Step 300
300
#CCB2F7
oklch(81% 0.099 301.5)
-
Step 400
400
#B386F2
oklch(70.7% 0.158 301.7)
-
Step 500
500
#A163EE
oklch(63.2% 0.203 301.4)
-
Step 600
600
#8D43DC
oklch(55.6% 0.221 301.6)
-
Step 700
700
#7833BF
oklch(49.1% 0.205 301.6)
-
Step 800
800
#612C9A
oklch(42.6% 0.17 301.5)
-
Step 900
900 (this color)
#512C7D
oklch(38.4% 0.132 301.4)
-
Step 950
950
#2E1A48
oklch(27% 0.083 301.1)
#512C7D 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) | #003F80 | 0.101 |
| Deuteranopia (no green cones) | #103F7B | 0.096 |
| Tritanopia (no blue cones) | #483D50 | 0.098 |
| Achromatopsia (no color) | #3F3F3F | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512C7D
#512C7D
oklch(38.4% 0.132 301.4)
- #3C4A00
#3C4A00
oklch(38.3% 0.092 121.2)
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 #512C7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Rebecca Purple #663399 ΔE 0.063
- Blueberry #464196 ΔE 0.064
- Indigo #4B0082 ΔE 0.065
- Royal Purple #4B006E ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.086
- Grape Purple #5D1451 ΔE 0.087
- Chrysanthemum #560BAD ΔE 0.087
Use #512C7D 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.