#512D6E
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.112 307.4), rgb(81, 45, 110).
Aa
White text reads best on this color (10.76:1).
About this color
#512D6E is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.112 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.060 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #512D6E |
| RGB | rgb(81, 45, 110) |
| HSL | hsl(273, 42%, 30%) |
| OKLCH | oklch(37.5% 0.112 307.4) |
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 #512D6E | 10.76:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #512D6E | 1.95:1 | Fails | Lc 9.3 | Not readable |
| #512D6E text on white | 10.76:1 | AAA | Lc 94.6 | Preferred for body text |
| #512D6E text on black | 1.95:1 | Fails | Lc -8.0 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E1D2F2
oklch(88.6% 0.046 306.6)
-
Step 300
300
#CFB3EB
oklch(80.9% 0.083 307.3)
-
Step 400
400
#B789E1
oklch(70.7% 0.133 307.3)
-
Step 500
500
#A568D8
oklch(63% 0.171 307.3)
-
Step 600
600
#914CC6
oklch(55.6% 0.187 307.5)
-
Step 700
700
#7B3CAB
oklch(49.1% 0.173 307.3)
-
Step 800
800
#64338A
oklch(42.7% 0.142 307.4)
-
Step 900
900 (this color)
#512D6E
oklch(37.5% 0.112 307.4)
-
Step 950
950
#301B41
oklch(27% 0.072 307.8)
#512D6E 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) | #163C70 | 0.092 |
| Deuteranopia (no green cones) | #243E6C | 0.082 |
| Tritanopia (no blue cones) | #4D3949 | 0.079 |
| Achromatopsia (no color) | #3E3E3E | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D6E
#512D6E
oklch(37.5% 0.112 307.4)
- #324A00
#324A00
oklch(37.5% 0.098 127.7)
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 #512D6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.060
- Grape Purple #5D1451 ΔE 0.069
- Royal Purple #4B006E ΔE 0.075
- Indigo #4B0082 ΔE 0.078
- Blueberry #464196 ΔE 0.080
- Rebecca Purple #663399 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.086
- Rich Purple #720058 ΔE 0.092
Use #512D6E 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.