#512B6F
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.116 307.5), rgb(81, 43, 111).
Aa
White text reads best on this color (10.90:1).
About this color
#512B6F is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.116 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 0.062 away. White text reads best on it, at 10.90:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #512B6F |
| RGB | rgb(81, 43, 111) |
| HSL | hsl(274, 44%, 30%) |
| OKLCH | oklch(37.2% 0.116 307.5) |
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 #512B6F | 10.90:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #512B6F | 1.92:1 | Fails | Lc 9.0 | Not readable |
| #512B6F text on white | 10.90:1 | AAA | Lc 94.9 | Preferred for body text |
| #512B6F text on black | 1.92:1 | Fails | Lc -7.7 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E2D1F3
oklch(88.5% 0.049 307.8)
-
Step 300
300
#D0B2ED
oklch(80.9% 0.088 307.6)
-
Step 400
400
#B887E4
oklch(70.6% 0.141 307.4)
-
Step 500
500
#A766DB
oklch(63.1% 0.178 307.7)
-
Step 600
600
#9249C9
oklch(55.5% 0.194 307.5)
-
Step 700
700
#7C39AE
oklch(49% 0.181 307.2)
-
Step 800
800
#65318D
oklch(42.8% 0.149 307.2)
-
Step 900
900 (this color)
#512B6F
oklch(37.2% 0.116 307.5)
-
Step 950
950
#301B42
oklch(27% 0.073 307)
#512B6F 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) | #113B71 | 0.097 |
| Deuteranopia (no green cones) | #203D6D | 0.087 |
| Tritanopia (no blue cones) | #4C3848 | 0.084 |
| Achromatopsia (no color) | #3D3D3D | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512B6F
#512B6F
oklch(37.2% 0.116 307.5)
- #324900
#324900
oklch(37.2% 0.096 127.3)
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 #512B6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Grape Purple #5D1451 ΔE 0.067
- Royal Purple #4B006E ΔE 0.070
- Indigo #4B0082 ΔE 0.073
- Blueberry #464196 ΔE 0.081
- Rebecca Purple #663399 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.083
- Rich Purple #720058 ΔE 0.091
Use #512B6F 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.