#512A89
Closest named color: Dark Slate Blue (#483D8B). oklch(39.1% 0.15 297.9), rgb(81, 42, 137).
Aa
White text reads best on this color (10.28:1).
About this color
#512A89 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.150 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #512A89 |
| RGB | rgb(81, 42, 137) |
| HSL | hsl(265, 53%, 35%) |
| OKLCH | oklch(39.1% 0.15 297.9) |
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 #512A89 | 10.28:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #512A89 | 2.04:1 | Fails | Lc 10.6 | Not readable |
| #512A89 text on white | 10.28:1 | AAA | Lc 93.3 | Preferred for body text |
| #512A89 text on black | 2.04:1 | Fails | Lc -9.2 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DDD1FE
oklch(88.5% 0.063 297.3)
-
Step 300
300
#C9B1FF
oklch(80.9% 0.111 298)
-
Step 400
400
#AF84FF
oklch(70.7% 0.177 297.9)
-
Step 500
500
#9E5DFF
oklch(63.2% 0.229 297.9)
-
Step 600
600
#8A39EE
oklch(55.6% 0.25 297.9)
-
Step 700
700
#7528CF
oklch(49% 0.232 297.7)
-
Step 800
800
#5F25A8
oklch(42.7% 0.193 297.6)
-
Step 900
900 (this color)
#512A89
oklch(39.1% 0.15 297.9)
-
Step 950
950
#2D184E
oklch(27.1% 0.095 297.6)
#512A89 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) | #00418C | 0.101 |
| Deuteranopia (no green cones) | #003F87 | 0.101 |
| Tritanopia (no blue cones) | #434056 | 0.113 |
| Achromatopsia (no color) | #414141 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512A89
#512A89
oklch(39.1% 0.15 297.9)
- #414B00
#414B00
oklch(39% 0.091 118.1)
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 #512A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Rebecca Purple #663399 ΔE 0.053
- Blueberry #464196 ΔE 0.057
- Indigo #4B0082 ΔE 0.060
- Imperial Purple #480CA8 ΔE 0.067
- Chrysanthemum #560BAD ΔE 0.067
- Royal Purple #4B006E ΔE 0.079
- Indigo Blue #3A18B1 ΔE 0.086
Use #512A89 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.