#571B8D#571B8D
#571B8D is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.4% C 0.173 H 302.5°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).
Color values
| HEX | #571B8D |
|---|---|
| RGB | rgb(87, 27, 141) |
| HSL | hsl(272, 68%, 33%) |
| HSV | hsv(272, 81%, 55%) |
| CMYK | cmyk(38.3%, 80.9%, 0%, 44.7%) |
| CIE-LAB | lab(25.96, 48.12, -51.14) |
| CIE-LCH | lch(25.96, 70.21, 313.26°) |
| OKLab | oklab(38.37% 0.093 -0.146) |
| OKLCH | oklch(38.37% 0.173 302.5) |
| XYZ | xyz(9.1290, 4.7332, 25.6268) |
| Luminance | 0.0473 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.07
Rebeccapurple
#663399
ΔE00 5.59
Royal Purple (survey)
#4B006E
ΔE00 6.10
Indigo (survey)
#380282
ΔE00 6.19
Indigo Blue
#3A18B1
ΔE00 7.06
Purple (survey)
#7E1E9C
ΔE00 7.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#571B8D #518D1B
analogous
#1E1B8D #571B8D #8D1B8A
triadic
#571B8D #8D571B #1B8D57
tetradic
#571B8D #8D1E1B #518D1B #1B8A8D
square
#571B8D #8D1E1B #518D1B #1B8A8D
split-complementary
#571B8D #8A8D1B #1B8D1E
monochromatic
#180726 #37115A #571B8D #7725C0 #9547DC
Accessibility & contrast
On white
10.79
#571B8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.95
#571B8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #571B8D
10.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##571B8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##571B8D | 1.00 | 10.79 | 1.95 | 10.79 |
| #FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003D90
Deuteranopia (green-blind)
#003D8B
Tritanopia (blue-blind)
#4B3A54
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #571b8d; /* rgb */ color: rgb(87, 27, 141); /* oklch */ color: oklch(38.4% 0.173 302.5);
Tailwind
colors: {
custom: {
50: '#8c5faf',
500: '#571b8d',
950: '#000000',
},
}SCSS
$custom: #571b8d; $custom-light: #8c5faf; $custom-dark: #000000;
JSON
{
"hex": "#571b8d",
"rgb": {
"r": 87,
"g": 27,
"b": 141
},
"hsl": {
"h": 271.579,
"s": 67.857,
"l": 32.941
},
"oklch": {
"l": 0.38367,
"c": 0.17306,
"h": 302.5
},
"luminance": 0.04733
}Semantic roles & 50–950 ramp
primary
#571B8D
secondary
#7FBD46
accent
#EB3D8F
background
#F9F5FA
surface
#F1EAF5
border
#CBC6CF
text
#0D0510
muted
#7E797F