#5B57DF#5B57DF

#5B57DF is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.0% C 0.201 H 278.6°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B57DF
RGB	rgb(91, 87, 223)
HSL	hsl(242, 68%, 61%)
HSV	hsv(242, 61%, 87%)
CMYK	cmyk(59.2%, 61%, 0%, 12.5%)
CIE-LAB	lab(44.75, 40.58, -69.06)
CIE-LCH	lch(44.75, 80.10, 300.44°)
OKLab	oklab(54.04% 0.03 -0.1986)
OKLCH	oklch(54.04% 0.201 278.6)
XYZ	xyz(21.0376, 14.3667, 71.4622)
Luminance	0.1437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B57DF #DBDF57

analogous

#5797DF #5B57DF #9F57DF

triadic

#5B57DF #DF5B57 #57DF5B

tetradic

#5B57DF #DF5797 #DBDF57 #57DF9F

square

#5B57DF #DF5797 #DBDF57 #57DF9F

split-complementary

#5B57DF #DF9F57 #97DF57

monochromatic

#221E9E #2D28D1 #5B57DF #8D8AE9 #BFBEF3

Accessibility & contrast

On white

5.42

#5B57DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#5B57DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B57DF

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B57DF	#FFFFFF	#000000	##FFFFFF
##5B57DF	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE3

Deuteranopia (green-blind)

#0064DC

Tritanopia (blue-blind)

#007893

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5b57df;
/* rgb */ color: rgb(91, 87, 223);
/* oklch */ color: oklch(54.0% 0.201 278.6);

Tailwind

colors: {
  custom: {
    50: '#9687ea',
    500: '#5b57df',
    950: '#000000',
  },
}

SCSS

$custom: #5b57df;
$custom-light: #9687ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5b57df",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 223
  },
  "hsl": {
    "h": 241.765,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.5404,
    "c": 0.20085,
    "h": 278.6
  },
  "luminance": 0.14368
}

Semantic roles & 50–950 ramp

primary

#5B57DF

secondary

#E1E3AF

accent

#D016CA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B16

muted

#7E7C84

Preview Lab

Preview with #5B57DF

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

Preview Lab → · Contrast checker → · Palette generator →