#57308B#57308B

#57308B is a dark, vivid violet. Relative luminance 0.060; OKLCH L 40.8% C 0.145 H 299.6°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#57308B
RGB	rgb(87, 48, 139)
HSL	hsl(266, 49%, 37%)
HSV	hsv(266, 65%, 55%)
CMYK	cmyk(37.4%, 65.5%, 0%, 45.5%)
CIE-LAB	lab(29.42, 37.44, -44.27)
CIE-LCH	lch(29.42, 57.98, 310.22°)
OKLab	oklab(40.78% 0.0717 -0.1259)
OKLCH	oklch(40.78% 0.145 299.6)
XYZ	xyz(9.6465, 6.0041, 25.0718)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57308B #648B30

analogous

#30378B #57308B #85308B

triadic

#57308B #8B5730 #308B57

tetradic

#57308B #8B3037 #648B30 #308B85

square

#57308B #8B3037 #648B30 #308B85

split-complementary

#57308B #8B8530 #378B30

monochromatic

#1E1130 #3B205E #57308B #7340B8 #946ACC

Accessibility & contrast

On white

9.54

#57308B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#57308B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57308B

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57308B	#FFFFFF	#000000	##FFFFFF
##57308B	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#054589

Tritanopia (blue-blind)

#4B4459

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #57308b;
/* rgb */ color: rgb(87, 48, 139);
/* oklch */ color: oklch(40.8% 0.145 299.6);

Tailwind

colors: {
  custom: {
    50: '#8b6bad',
    500: '#57308b',
    950: '#000000',
  },
}

SCSS

$custom: #57308b;
$custom-light: #8b6bad;
$custom-dark: #000000;

JSON

{
  "hex": "#57308b",
  "rgb": {
    "r": 87,
    "g": 48,
    "b": 139
  },
  "hsl": {
    "h": 265.714,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40778,
    "c": 0.14489,
    "h": 299.6
  },
  "luminance": 0.06004
}

Semantic roles & 50–950 ramp

primary

#57308B

secondary

#91B364

accent

#D8509E

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C0710

muted

#7D7A7F

Preview Lab

Preview with #57308B

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

Preview Lab → · Contrast checker → · Palette generator →