#572F8A
Closest named color: Rebecca Purple (#663399). oklch(40.6% 0.145 300.2), rgb(87, 47, 138).
Aa
White text reads best on this color (9.63:1).
About this color
#572F8A is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 9.63:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #572F8A |
| RGB | rgb(87, 47, 138) |
| HSL | hsl(266, 49%, 36%) |
| OKLCH | oklch(40.6% 0.145 300.2) |
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 #572F8A | 9.63:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #572F8A | 2.17:1 | Fails | Lc 12.1 | Not readable |
| #572F8A text on white | 9.63:1 | AAA | Lc 91.8 | Preferred for body text |
| #572F8A text on black | 2.17:1 | Fails | Lc -10.6 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F4
oklch(88.6% 0.046 300.7)
-
Step 300
300
#C9B5F0
oklch(81% 0.084 300)
-
Step 400
400
#AE8CE8
oklch(70.8% 0.135 300)
-
Step 500
500
#9B6CE1
oklch(63.2% 0.173 300)
-
Step 600
600
#8750CF
oklch(55.7% 0.189 300.3)
-
Step 700
700
#7240B3
oklch(49.1% 0.175 300)
-
Step 800
800 (this color)
#572F8A
oklch(40.6% 0.145 300.2)
-
Step 900
900
#4C3074
oklch(37.8% 0.113 300)
-
Step 950
950
#2C1D44
oklch(27.1% 0.071 299.4)
#572F8A 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) | #00448D | 0.106 |
| Deuteranopia (no green cones) | #054488 | 0.106 |
| Tritanopia (no blue cones) | #4C4358 | 0.109 |
| Achromatopsia (no color) | #454545 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #572F8A
#572F8A
oklch(40.6% 0.145 300.2)
- #435000
#435000
oklch(40.5% 0.096 119.8)
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 #572F8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.051
- Chrysanthemum #560BAD ΔE 0.072
- Indigo #4B0082 ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.077
- Twilight #4E518B ΔE 0.085
- Royal Purple #4B006E ΔE 0.091
Use #572F8A 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.