#572D8A
Closest named color: Rebecca Purple (#663399). oklch(40.3% 0.148 300.6), rgb(87, 45, 138).
Aa
White text reads best on this color (9.77:1).
About this color
#572D8A is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.148 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 9.77:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #572D8A |
| RGB | rgb(87, 45, 138) |
| HSL | hsl(267, 51%, 36%) |
| OKLCH | oklch(40.3% 0.148 300.6) |
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 #572D8A | 9.77:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #572D8A | 2.14:1 | Fails | Lc 11.8 | Not readable |
| #572D8A text on white | 9.77:1 | AAA | Lc 92.1 | Preferred for body text |
| #572D8A text on black | 2.14:1 | Fails | Lc -10.3 | 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
#DED2F5
oklch(88.4% 0.049 301)
-
Step 300
300
#C9B4F0
oklch(80.8% 0.086 300.5)
-
Step 400
400
#AF8BE9
oklch(70.7% 0.138 300.6)
-
Step 500
500
#9C6AE2
oklch(63% 0.177 300.6)
-
Step 600
600
#884ED0
oklch(55.6% 0.193 300.8)
-
Step 700
700
#733EB4
oklch(49% 0.179 300.5)
-
Step 800
800 (this color)
#572D8A
oklch(40.3% 0.148 300.6)
-
Step 900
900
#4C2F74
oklch(37.6% 0.115 300.4)
-
Step 950
950
#2D1C44
oklch(27% 0.073 301.3)
#572D8A 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) | #00438D | 0.108 |
| Deuteranopia (no green cones) | #004388 | 0.109 |
| Tritanopia (no blue cones) | #4C4257 | 0.111 |
| Achromatopsia (no color) | #444444 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #572D8A
#572D8A
oklch(40.3% 0.148 300.6)
- #414F00
#414F00
oklch(40.1% 0.096 120.6)
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 #572D8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.043
- Blueberry #464196 ΔE 0.055
- Chrysanthemum #560BAD ΔE 0.070
- Indigo #4B0082 ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.075
- Royal Purple #4B006E ΔE 0.088
- Twilight #4E518B ΔE 0.090
Use #572D8A 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.