#5A57EB#5A57EB

#5A57EB is a mid, highly saturated blue. Relative luminance 0.150; OKLCH L 54.9% C 0.216 H 277.5°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#5A57EB
RGB	rgb(90, 87, 235)
HSL	hsl(241, 79%, 63%)
HSV	hsv(241, 63%, 92%)
CMYK	cmyk(61.7%, 63%, 0%, 7.8%)
CIE-LAB	lab(45.62, 44.25, -74.45)
CIE-LCH	lch(45.62, 86.60, 300.72°)
OKLab	oklab(54.94% 0.0281 -0.2145)
OKLCH	oklch(54.94% 0.216 277.5)
XYZ	xyz(22.6152, 14.9864, 80.2821)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A57EB #E8EB57

analogous

#579EEB #5A57EB #A457EB

triadic

#5A57EB #EB5A57 #57EB5A

tetradic

#5A57EB #EB579E #E8EB57 #57EBA4

square

#5A57EB #EB579E #E8EB57 #57EBA4

split-complementary

#5A57EB #EBA457 #9EEB57

monochromatic

#1815B2 #2420E4 #5A57EB #908EF2 #C5C4F8

Accessibility & contrast

On white

5.25

#5A57EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#5A57EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A57EB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A57EB	#FFFFFF	#000000	##FFFFFF
##5A57EB	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)

#0072F0

Deuteranopia (green-blind)

#0066E8

Tritanopia (blue-blind)

#007D99

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5a57eb;
/* rgb */ color: rgb(90, 87, 235);
/* oklch */ color: oklch(54.9% 0.216 277.5);

Tailwind

colors: {
  custom: {
    50: '#9787f3',
    500: '#5a57eb',
    950: '#000000',
  },
}

SCSS

$custom: #5a57eb;
$custom-light: #9787f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5a57eb",
  "rgb": {
    "r": 90,
    "g": 87,
    "b": 235
  },
  "hsl": {
    "h": 241.216,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.54942,
    "c": 0.21629,
    "h": 277.5
  },
  "luminance": 0.14988
}

Semantic roles & 50–950 ramp

primary

#5A57EB

secondary

#E8E9B4

accent

#DB0AD7

background

#FAF8FF

surface

#F3EFFE

border

#CDCAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5A57EB

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

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