#571F7F
Closest named color: Indigo (#4B0082). oklch(37.6% 0.154 307), rgb(87, 31, 127).
Aa
White text reads best on this color (11.00:1).
About this color
#571F7F is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.154 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.047 away. White text reads best on it, at 11.00:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #571F7F |
| RGB | rgb(87, 31, 127) |
| HSL | hsl(275, 61%, 31%) |
| OKLCH | oklch(37.6% 0.154 307) |
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 #571F7F | 11.00:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #571F7F | 1.90:1 | Fails | Lc 9.3 | Not readable |
| #571F7F text on white | 11.00:1 | AAA | Lc 94.7 | Preferred for body text |
| #571F7F text on black | 1.90:1 | Fails | Lc -7.9 | 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 900.
-
Step 50
50
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#F0E4FC
oklch(93.5% 0.034 308.1)
-
Step 200
200
#E4CFFB
oklch(88.6% 0.064 306.7)
-
Step 300
300
#D4ADFB
oklch(80.9% 0.115 306.9)
-
Step 400
400
#BF7CF9
oklch(70.7% 0.185 307)
-
Step 500
500
#AF52F6
oklch(63.1% 0.237 306.8)
-
Step 600
600
#9B2AE4
oklch(55.6% 0.256 306.9)
-
Step 700
700
#8517C6
oklch(49.1% 0.238 307.1)
-
Step 800
800
#6C1AA0
oklch(42.7% 0.197 307.2)
-
Step 900
900 (this color)
#571F7F
oklch(37.6% 0.154 307)
-
Step 950
950
#33144B
oklch(27% 0.099 306.8)
#571F7F 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) | #003A82 | 0.122 |
| Deuteranopia (no green cones) | #003D7D | 0.124 |
| Tritanopia (no blue cones) | #50364D | 0.109 |
| Achromatopsia (no color) | #3C3C3C | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #571F7F
#571F7F
oklch(37.6% 0.154 307)
- #334A00
#334A00
oklch(37.6% 0.097 127.1)
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 #571F7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.047
- Royal Purple #4B006E ΔE 0.058
- Rebecca Purple #663399 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.082
- Blueberry #464196 ΔE 0.084
Use #571F7F 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.