#5B57EE#5B57EE

#5B57EE is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.3% C 0.220 H 277.6°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#5B57EE
RGB	rgb(91, 87, 238)
HSL	hsl(242, 82%, 64%)
HSV	hsv(242, 63%, 93%)
CMYK	cmyk(61.8%, 63.4%, 0%, 6.7%)
CIE-LAB	lab(45.92, 45.35, -75.63)
CIE-LCH	lch(45.92, 88.18, 300.94°)
OKLab	oklab(55.26% 0.029 -0.2179)
OKLCH	oklch(55.26% 0.22 277.6)
XYZ	xyz(23.1502, 15.2118, 82.5886)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B57EE #EAEE57

analogous

#579EEE #5B57EE #A657EE

triadic

#5B57EE #EE5B57 #57EE5B

tetradic

#5B57EE #EE579E #EAEE57 #57EEA6

square

#5B57EE #EE579E #EAEE57 #57EEA6

split-complementary

#5B57EE #EEA657 #9EEE57

monochromatic

#1713B8 #251FE8 #5B57EE #918FF4 #C8C6F9

Accessibility & contrast

On white

5.19

#5B57EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#5B57EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B57EE

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B57EE	#FFFFFF	#000000	##FFFFFF
##5B57EE	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F3

Deuteranopia (green-blind)

#0066EB

Tritanopia (blue-blind)

#007D9B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5b57ee;
/* rgb */ color: rgb(91, 87, 238);
/* oklch */ color: oklch(55.3% 0.220 277.6);

Tailwind

colors: {
  custom: {
    50: '#9887f5',
    500: '#5b57ee',
    950: '#000000',
  },
}

SCSS

$custom: #5b57ee;
$custom-light: #9887f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b57ee",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 238
  },
  "hsl": {
    "h": 241.589,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.55258,
    "c": 0.21983,
    "h": 277.6
  },
  "luminance": 0.15214
}

Semantic roles & 50–950 ramp

primary

#5B57EE

secondary

#EAEBB6

accent

#DE08D8

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5B57EE

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

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