#512AB2
Closest named color: Chrysanthemum (#560BAD). oklch(42.7% 0.198 288), rgb(81, 42, 178).
Aa
White text reads best on this color (9.03:1).
About this color
#512AB2 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.198 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.037 away. White text reads best on it, at 9.03:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #512AB2 |
| RGB | rgb(81, 42, 178) |
| HSL | hsl(257, 62%, 43%) |
| OKLCH | oklch(42.7% 0.198 288) |
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 #512AB2 | 9.03:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #512AB2 | 2.32:1 | Fails | Lc 14.1 | Not readable |
| #512AB2 text on white | 9.03:1 | AAA | Lc 89.8 | Fine for body text |
| #512AB2 text on black | 2.32:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D6D4FF
oklch(88.5% 0.059 287.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886AFF
oklch(63% 0.212 288)
-
Step 600
600
#7640FD
oklch(55.6% 0.258 287.9)
-
Step 700
700
#642FDC
oklch(49.1% 0.239 288)
-
Step 800
800 (this color)
#512AB2
oklch(42.7% 0.198 288)
-
Step 900
900
#422A8D
oklch(37.8% 0.154 287.7)
-
Step 950
950
#261A52
oklch(27% 0.097 287.9)
#512AB2 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) | #004CB6 | 0.096 |
| Deuteranopia (no green cones) | #0045AF | 0.091 |
| Tritanopia (no blue cones) | #29506D | 0.159 |
| Achromatopsia (no color) | #494949 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512AB2
#512AB2
oklch(42.7% 0.198 288)
- #545200
#545200
oklch(42.7% 0.092 108.1)
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 #512AB2, closest first.
No curated palette has a color within ΔE 0.04 of #512AB2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chrysanthemum #560BAD ΔE 0.037
- Violet Blue #510AC9 ΔE 0.045
- Imperial Purple #480CA8 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Purple Blue #5D21D0 ΔE 0.051
- Blurple #5539CC ΔE 0.052
- Indigo Blue #3A18B1 ΔE 0.053
- Majorelle Blue #3F37C9 ΔE 0.053
Use #512AB2 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.