#5B57EA#5B57EA

#5B57EA is a mid, highly saturated blue. Relative luminance 0.150; OKLCH L 54.9% C 0.215 H 277.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#5B57EA
RGB	rgb(91, 87, 234)
HSL	hsl(242, 78%, 63%)
HSV	hsv(242, 63%, 92%)
CMYK	cmyk(61.1%, 62.8%, 0%, 8.2%)
CIE-LAB	lab(45.61, 44.08, -73.90)
CIE-LCH	lch(45.61, 86.04, 300.81°)
OKLab	oklab(54.93% 0.0293 -0.2128)
OKLCH	oklch(54.93% 0.215 277.8)
XYZ	xyz(22.5691, 14.9793, 79.5279)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B57EA #E6EA57

analogous

#579CEA #5B57EA #A557EA

triadic

#5B57EA #EA5B57 #57EA5B

tetradic

#5B57EA #EA579C #E6EA57 #57EAA5

square

#5B57EA #EA579C #E6EA57 #57EAA5

split-complementary

#5B57EA #EAA557 #9CEA57

monochromatic

#1A16B1 #2621E3 #5B57EA #908DF1 #C5C4F8

Accessibility & contrast

On white

5.25

#5B57EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#5B57EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B57EA

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B57EA	#FFFFFF	#000000	##FFFFFF
##5B57EA	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EF

Deuteranopia (green-blind)

#0066E7

Tritanopia (blue-blind)

#007C99

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5b57ea;
/* rgb */ color: rgb(91, 87, 234);
/* oklch */ color: oklch(54.9% 0.215 277.8);

Tailwind

colors: {
  custom: {
    50: '#9887f2',
    500: '#5b57ea',
    950: '#000000',
  },
}

SCSS

$custom: #5b57ea;
$custom-light: #9887f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b57ea",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 234
  },
  "hsl": {
    "h": 241.633,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.54928,
    "c": 0.21483,
    "h": 277.8
  },
  "luminance": 0.14981
}

Semantic roles & 50–950 ramp

primary

#5B57EA

secondary

#E7E9B4

accent

#DA0BD4

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5B57EA

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

Preview Lab → · Contrast checker → · Palette generator →