#57337B#57337B

#57337B is a dark, vivid violet. Relative luminance 0.058; OKLCH L 40.1% C 0.120 H 304.6°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#57337B
RGB	rgb(87, 51, 123)
HSL	hsl(270, 41%, 34%)
HSV	hsv(270, 59%, 48%)
CMYK	cmyk(29.3%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(28.96, 31.43, -35.02)
CIE-LCH	lch(28.96, 47.05, 311.91°)
OKLab	oklab(40.09% 0.0682 -0.0988)
OKLCH	oklch(40.09% 0.12 304.6)
XYZ	xyz(8.6887, 5.8240, 19.4015)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 9.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57337B #577B33

analogous

#33337B #57337B #7B337B

triadic

#57337B #7B5733 #337B57

tetradic

#57337B #7B3333 #577B33 #337B7B

square

#57337B #7B3333 #577B33 #337B7B

split-complementary

#57337B #7B7B33 #337B33

monochromatic

#1A0F24 #382150 #57337B #7645A6 #9468C0

Accessibility & contrast

On white

9.70

#57337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#57337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57337B

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57337B	#FFFFFF	#000000	##FFFFFF
##57337B	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17437D

Deuteranopia (green-blind)

#254479

Tritanopia (blue-blind)

#514152

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #57337b;
/* rgb */ color: rgb(87, 51, 123);
/* oklch */ color: oklch(40.1% 0.120 304.6);

Tailwind

colors: {
  custom: {
    50: '#896ca2',
    500: '#57337b',
    950: '#000000',
  },
}

SCSS

$custom: #57337b;
$custom-light: #896ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#57337b",
  "rgb": {
    "r": 87,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 270,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.4009,
    "c": 0.12003,
    "h": 304.6
  },
  "luminance": 0.05824
}

Semantic roles & 50–950 ramp

primary

#57337B

secondary

#85A862

accent

#D15794

background

#F8F6FA

surface

#F0EBF3

border

#CBC6CD

text

#0C070F

muted

#7D7A7F

Preview Lab

Preview with #57337B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →