#512FAC
Closest named color: Chrysanthemum (#560BAD). oklch(42.8% 0.186 288.4), rgb(81, 47, 172).
Aa
White text reads best on this color (8.92:1).
About this color
#512FAC is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.186 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.043 away. White text reads best on it, at 8.92:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #512FAC |
| RGB | rgb(81, 47, 172) |
| HSL | hsl(256, 57%, 43%) |
| OKLCH | oklch(42.8% 0.186 288.4) |
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 #512FAC | 8.92:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #512FAC | 2.35:1 | Fails | Lc 14.3 | Not readable |
| #512FAC text on white | 8.92:1 | AAA | Lc 89.7 | Fine for body text |
| #512FAC text on black | 2.35:1 | 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
#E8E7FE
oklch(93.6% 0.031 287.8)
-
Step 200
200
#D7D4FF
oklch(88.6% 0.059 288.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9E8DFF
oklch(70.8% 0.163 288.4)
-
Step 500
500
#896AFF
oklch(63.1% 0.212 288.4)
-
Step 600
600
#7647F4
oklch(55.6% 0.241 288.4)
-
Step 700
700
#6436D5
oklch(49.2% 0.225 288.4)
-
Step 800
800 (this color)
#512FAC
oklch(42.8% 0.186 288.4)
-
Step 900
900
#422C88
oklch(37.7% 0.145 288.4)
-
Step 950
950
#261B50
oklch(27% 0.093 288.1)
#512FAC 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) | #004CB0 | 0.093 |
| Deuteranopia (no green cones) | #0046AA | 0.089 |
| Tritanopia (no blue cones) | #2E506A | 0.151 |
| Achromatopsia (no color) | #4A4A4A | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512FAC
#512FAC
oklch(42.8% 0.186 288.4)
- #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 #512FAC, closest first.
No curated palette has a color within ΔE 0.04 of #512FAC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chrysanthemum #560BAD ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Imperial Purple #480CA8 ΔE 0.051
- Rebecca Purple #663399 ΔE 0.053
- Blueberry #464196 ΔE 0.054
- Blurple #5539CC ΔE 0.056
- Violet Blue #510AC9 ΔE 0.057
- Majorelle Blue #3F37C9 ΔE 0.058
Use #512FAC 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.