#512BB1
Closest named color: Chrysanthemum (#560BAD). oklch(42.7% 0.196 288), rgb(81, 43, 177).
Aa
White text reads best on this color (9.01:1).
About this color
#512BB1 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.196 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 9.01:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.33:1 |
| White text | 9.01:1 |
Values
| HEX | #512BB1 |
| RGB | rgb(81, 43, 177) |
| HSL | hsl(257, 61%, 43%) |
| OKLCH | oklch(42.7% 0.196 288) |
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 #512BB1 | 9.01:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #512BB1 | 2.33:1 | Fails | Lc 14.2 | Not readable |
| #512BB1 text on white | 9.01:1 | AAA | Lc 89.8 | Fine for body text |
| #512BB1 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
#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
#7641FB
oklch(55.5% 0.255 288.1)
-
Step 700
700
#6430DB
oklch(49.1% 0.237 288.1)
-
Step 800
800 (this color)
#512BB1
oklch(42.7% 0.196 288)
-
Step 900
900
#422A8C
oklch(37.7% 0.153 288)
-
Step 950
950
#261A52
oklch(27% 0.097 287.9)
#512BB1 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) | #004CB5 | 0.096 |
| Deuteranopia (no green cones) | #0045AF | 0.091 |
| Tritanopia (no blue cones) | #2A506C | 0.158 |
| Achromatopsia (no color) | #494949 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512BB1
#512BB1
oklch(42.7% 0.196 288)
- #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 #512BB1, closest first.
No curated palette has a color within ΔE 0.04 of #512BB1.
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 0.047
- Imperial Purple #480CA8 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Blurple #5539CC ΔE 0.052
- Purple Blue #5D21D0 ΔE 0.052
- Majorelle Blue #3F37C9 ΔE 0.053
- Indigo Blue #3A18B1 ΔE 0.054
Use #512BB1 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.