#512D6B
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.108 308.9), rgb(81, 45, 107).
Aa
White text reads best on this color (10.83:1).
About this color
#512D6B is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.108 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 0.064 away. White text reads best on it, at 10.83:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #512D6B |
| RGB | rgb(81, 45, 107) |
| HSL | hsl(275, 41%, 30%) |
| OKLCH | oklch(37.3% 0.108 308.9) |
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 #512D6B | 10.83:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #512D6B | 1.93:1 | Fails | Lc 9.1 | Not readable |
| #512D6B text on white | 10.83:1 | AAA | Lc 94.8 | Preferred for body text |
| #512D6B text on black | 1.93:1 | Fails | Lc -7.8 | 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
#E2D2F0
oklch(88.6% 0.044 309.3)
-
Step 300
300
#D0B3E9
oklch(81% 0.081 309)
-
Step 400
400
#B889DE
oklch(70.7% 0.13 308.8)
-
Step 500
500
#A669D4
oklch(63.1% 0.165 308.7)
-
Step 600
600
#924DC1
oklch(55.6% 0.18 309.1)
-
Step 700
700
#7C3DA7
oklch(49% 0.168 308.9)
-
Step 800
800
#653487
oklch(42.8% 0.138 309)
-
Step 900
900 (this color)
#512D6B
oklch(37.3% 0.108 308.9)
-
Step 950
950
#301C3F
oklch(27% 0.067 309)
#512D6B 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) | #1A3C6D | 0.089 |
| Deuteranopia (no green cones) | #263E69 | 0.080 |
| Tritanopia (no blue cones) | #4D3847 | 0.076 |
| Achromatopsia (no color) | #3D3D3D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D6B
#512D6B
oklch(37.3% 0.108 308.9)
- #304A00
#304A00
oklch(37.4% 0.099 128.9)
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 #512D6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.064
- Grape Purple #5D1451 ΔE 0.065
- Royal Purple #4B006E ΔE 0.076
- Indigo #4B0082 ΔE 0.081
- Plum Purple #4E0550 ΔE 0.084
- Blueberry #464196 ΔE 0.084
- Rebecca Purple #663399 ΔE 0.086
- Rich Purple #720058 ΔE 0.090
Use #512D6B 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.