#5B57D4#5B57D4

#5B57D4 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.2% C 0.187 H 279.4°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B57D4
RGB	rgb(91, 87, 212)
HSL	hsl(242, 59%, 59%)
HSV	hsv(242, 59%, 83%)
CMYK	cmyk(57.1%, 59%, 0%, 16.9%)
CIE-LAB	lab(43.93, 37.07, -64.12)
CIE-LCH	lch(43.93, 74.06, 300.04°)
OKLab	oklab(53.18% 0.0304 -0.1841)
OKLCH	oklch(53.18% 0.187 279.4)
XYZ	xyz(19.6025, 13.7927, 63.9039)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B57D4 #D0D457

analogous

#5791D4 #5B57D4 #9957D4

triadic

#5B57D4 #D45B57 #57D45B

tetradic

#5B57D4 #D45791 #D0D457 #57D499

square

#5B57D4 #D45791 #D0D457 #57D499

split-complementary

#5B57D4 #D49957 #91D457

monochromatic

#27248D #3530BD #5B57D4 #8B88E0 #BAB8ED

Accessibility & contrast

On white

5.59

#5B57D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#5B57D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B57D4

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B57D4	#FFFFFF	#000000	##FFFFFF
##5B57D4	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD8

Deuteranopia (green-blind)

#0063D1

Tritanopia (blue-blind)

#13758D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5b57d4;
/* rgb */ color: rgb(91, 87, 212);
/* oklch */ color: oklch(53.2% 0.187 279.4);

Tailwind

colors: {
  custom: {
    50: '#9486e2',
    500: '#5b57d4',
    950: '#000000',
  },
}

SCSS

$custom: #5b57d4;
$custom-light: #9486e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b57d4",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 212
  },
  "hsl": {
    "h": 241.92,
    "s": 59.242,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53179,
    "c": 0.18657,
    "h": 279.4
  },
  "luminance": 0.13794
}

Semantic roles & 50–950 ramp

primary

#5B57D4

secondary

#DBDCAB

accent

#E245DD

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B15

muted

#7E7C84

Preview Lab

Preview with #5B57D4

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

Preview Lab → · Contrast checker → · Palette generator →