#512E6B
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.106 308.6), rgb(81, 46, 107).
Aa
White text reads best on this color (10.75:1).
About this color
#512E6B is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.063 away. White text reads best on it, at 10.75:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.75:1 |
Values
| HEX | #512E6B |
| RGB | rgb(81, 46, 107) |
| HSL | hsl(274, 40%, 30%) |
| OKLCH | oklch(37.5% 0.106 308.6) |
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 #512E6B | 10.75:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #512E6B | 1.95:1 | Fails | Lc 9.3 | Not readable |
| #512E6B text on white | 10.75:1 | AAA | Lc 94.6 | Preferred for body text |
| #512E6B 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
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F0
oklch(88.5% 0.044 307.9)
-
Step 300
300
#CFB3E8
oklch(80.8% 0.079 308.6)
-
Step 400
400
#B78ADD
oklch(70.7% 0.127 308.4)
-
Step 500
500
#A66AD3
oklch(63.2% 0.162 308.9)
-
Step 600
600
#914EC0
oklch(55.5% 0.177 308.9)
-
Step 700
700
#7B3EA6
oklch(49% 0.165 308.5)
-
Step 800
800
#643487
oklch(42.6% 0.137 308.3)
-
Step 900
900 (this color)
#512E6B
oklch(37.5% 0.106 308.6)
-
Step 950
950
#301C3F
oklch(27% 0.067 309)
#512E6B 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) | #1B3C6D | 0.087 |
| Deuteranopia (no green cones) | #273E69 | 0.078 |
| Tritanopia (no blue cones) | #4D3948 | 0.075 |
| Achromatopsia (no color) | #3E3E3E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512E6B
#512E6B
oklch(37.5% 0.106 308.6)
- #314A00
#314A00
oklch(37.4% 0.098 128.3)
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 #512E6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.063
- Grape Purple #5D1451 ΔE 0.067
- Royal Purple #4B006E ΔE 0.078
- Blueberry #464196 ΔE 0.083
- Indigo #4B0082 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.086
- Rebecca Purple #663399 ΔE 0.086
- Rich Purple #720058 ΔE 0.091
Use #512E6B 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.