#5B57DC#5B57DC

#5B57DC is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.8% C 0.197 H 278.8°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#5B57DC
RGB	rgb(91, 87, 220)
HSL	hsl(242, 66%, 60%)
HSV	hsv(242, 60%, 86%)
CMYK	cmyk(58.6%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(44.53, 39.62, -67.72)
CIE-LCH	lch(44.53, 78.46, 300.33°)
OKLab	oklab(53.8% 0.0301 -0.1947)
OKLCH	oklch(53.8% 0.197 278.8)
XYZ	xyz(20.6367, 14.2064, 69.3509)
Luminance	0.1421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B57DC #D8DC57

analogous

#5795DC #5B57DC #9E57DC

triadic

#5B57DC #DC5B57 #57DC5B

tetradic

#5B57DC #DC5795 #D8DC57 #57DC9E

square

#5B57DC #DC5795 #D8DC57 #57DC9E

split-complementary

#5B57DC #DC9E57 #95DC57

monochromatic

#232099 #2F2ACB #5B57DC #8C8AE7 #BEBCF1

Accessibility & contrast

On white

5.47

#5B57DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#5B57DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B57DC

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B57DC	#FFFFFF	#000000	##FFFFFF
##5B57DC	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE0

Deuteranopia (green-blind)

#0064D9

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5b57dc;
/* rgb */ color: rgb(91, 87, 220);
/* oklch */ color: oklch(53.8% 0.197 278.8);

Tailwind

colors: {
  custom: {
    50: '#9587e8',
    500: '#5b57dc',
    950: '#000000',
  },
}

SCSS

$custom: #5b57dc;
$custom-light: #9587e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b57dc",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 241.805,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.53802,
    "c": 0.19699,
    "h": 278.8
  },
  "luminance": 0.14208
}

Semantic roles & 50–950 ramp

primary

#5B57DC

secondary

#DFE1AE

accent

#CD18C8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5B57DC

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

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