#512AB3
Closest named color: Chrysanthemum (#560BAD). oklch(42.8% 0.199 287.8), rgb(81, 42, 179).
Aa
White text reads best on this color (9.00:1).
About this color
#512AB3 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.199 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.038 away. White text reads best on it, at 9.00:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #512AB3 |
| RGB | rgb(81, 42, 179) |
| HSL | hsl(257, 62%, 43%) |
| OKLCH | oklch(42.8% 0.199 287.8) |
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 #512AB3 | 9.00:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #512AB3 | 2.33:1 | Fails | Lc 14.2 | Not readable |
| #512AB3 text on white | 9.00:1 | AAA | Lc 89.7 | Fine for body text |
| #512AB3 text on black | 2.33:1 | Fails | Lc -12.5 | 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
#BDB7FF
oklch(81% 0.101 287.7)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886BFF
oklch(63.2% 0.21 287.8)
-
Step 600
600
#7640FE
oklch(55.7% 0.259 287.8)
-
Step 700
700
#642EDD
oklch(49.1% 0.241 287.9)
-
Step 800
800 (this color)
#512AB3
oklch(42.8% 0.199 287.8)
-
Step 900
900
#42298D
oklch(37.6% 0.156 288)
-
Step 950
950
#261A53
oklch(27% 0.099 287.6)
#512AB3 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) | #004CB7 | 0.096 |
| Deuteranopia (no green cones) | #0045B0 | 0.091 |
| Tritanopia (no blue cones) | #28516D | 0.162 |
| Achromatopsia (no color) | #494949 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512AB3
#512AB3
oklch(42.8% 0.199 287.8)
- #555200
#555200
oklch(42.8% 0.092 107.3)
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 #512AB3, closest first.
No curated palette has a color within ΔE 0.04 of #512AB3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chrysanthemum #560BAD ΔE 0.038
- Violet Blue #510AC9 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Imperial Purple #480CA8 ΔE 0.047
- Purple Blue #5D21D0 ΔE 0.050
- Blurple #5539CC ΔE 0.050
- Majorelle Blue #3F37C9 ΔE 0.052
- Indigo Blue #3A18B1 ΔE 0.053
Use #512AB3 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.