#57289B#57289B

#57289B is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.0% C 0.174 H 296.5°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#57289B
RGB	rgb(87, 40, 155)
HSL	hsl(265, 59%, 38%)
HSV	hsv(265, 74%, 61%)
CMYK	cmyk(43.9%, 74.2%, 0%, 39.2%)
CIE-LAB	lab(29.18, 45.94, -54.49)
CIE-LCH	lch(29.18, 71.27, 310.13°)
OKLab	oklab(41.01% 0.0777 -0.1559)
OKLCH	oklch(41.01% 0.174 296.5)
XYZ	xyz(10.6041, 5.9102, 31.5861)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57289B #6C9B28

analogous

#28329B #57289B #90289B

triadic

#57289B #9B5728 #289B57

tetradic

#57289B #9B2832 #6C9B28 #289B90

square

#57289B #9B2832 #6C9B28 #289B90

split-complementary

#57289B #9B9028 #329B28

monochromatic

#200F3A #3C1B6A #57289B #7235CB #9466D7

Accessibility & contrast

On white

9.62

#57289B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#57289B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57289B

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57289B	#FFFFFF	#000000	##FFFFFF
##57289B	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#45465F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #57289b;
/* rgb */ color: rgb(87, 40, 155);
/* oklch */ color: oklch(41.0% 0.174 296.5);

Tailwind

colors: {
  custom: {
    50: '#8d67b9',
    500: '#57289b',
    950: '#000000',
  },
}

SCSS

$custom: #57289b;
$custom-light: #8d67b9;
$custom-dark: #000000;

JSON

{
  "hex": "#57289b",
  "rgb": {
    "r": 87,
    "g": 40,
    "b": 155
  },
  "hsl": {
    "h": 264.522,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41007,
    "c": 0.17423,
    "h": 296.5
  },
  "luminance": 0.0591
}

Semantic roles & 50–950 ramp

primary

#57289B

secondary

#98BD61

accent

#E246A2

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0612

muted

#7E7A81

Preview Lab

Preview with #57289B

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

Preview Lab → · Contrast checker → · Palette generator →