#512F70
Closest named color: Dark Slate Blue (#483D8B). oklch(38% 0.111 305.9), rgb(81, 47, 112).
Aa
White text reads best on this color (10.55:1).
About this color
#512F70 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.111 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.55:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.99:1 |
| White text | 10.55:1 |
Values
| HEX | #512F70 |
| RGB | rgb(81, 47, 112) |
| HSL | hsl(271, 41%, 31%) |
| OKLCH | oklch(38% 0.111 305.9) |
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 #512F70 | 10.55:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #512F70 | 1.99:1 | Fails | Lc 9.7 | Not readable |
| #512F70 text on white | 10.55:1 | AAA | Lc 94.2 | Preferred for body text |
| #512F70 text on black | 1.99:1 | Fails | Lc -8.4 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E0D2F2
oklch(88.5% 0.046 305.2)
-
Step 300
300
#CEB3EC
oklch(80.9% 0.084 306.1)
-
Step 400
400
#B58AE2
oklch(70.8% 0.132 305.8)
-
Step 500
500
#A369D9
oklch(63% 0.17 306)
-
Step 600
600
#8F4DC7
oklch(55.6% 0.186 306.2)
-
Step 700
700
#793DAC
oklch(49% 0.173 305.8)
-
Step 800
800
#63348B
oklch(42.8% 0.142 306.2)
-
Step 900
900 (this color)
#512F70
oklch(38% 0.111 305.9)
-
Step 950
950
#2F1C41
oklch(27% 0.07 306)
#512F70 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) | #183E72 | 0.088 |
| Deuteranopia (no green cones) | #243F6E | 0.080 |
| Tritanopia (no blue cones) | #4C3B4A | 0.081 |
| Achromatopsia (no color) | #3F3F3F | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512F70
#512F70
oklch(38% 0.111 305.9)
- #354B00
#354B00
oklch(38% 0.097 126.4)
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 #512F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Grape Purple #5D1451 ΔE 0.073
- Blueberry #464196 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.079
- Royal Purple #4B006E ΔE 0.079
- Indigo #4B0082 ΔE 0.080
- Plum Purple #4E0550 ΔE 0.092
- Twilight #4E518B ΔE 0.094
Use #512F70 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.