#5A57BC#5A57BC

#5A57BC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.154 H 280.8°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#5A57BC
RGB	rgb(90, 87, 188)
HSL	hsl(242, 43%, 54%)
HSV	hsv(242, 54%, 74%)
CMYK	cmyk(52.1%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(42.18, 29.24, -53.07)
CIE-LCH	lch(42.18, 60.60, 298.85°)
OKLab	oklab(51.33% 0.0289 -0.1516)
OKLCH	oklch(51.33% 0.154 280.8)
XYZ	xyz(16.6990, 12.6199, 49.1232)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A57BC #B9BC57

analogous

#5787BC #5A57BC #8D57BC

triadic

#5A57BC #BC5A57 #57BC5A

tetradic

#5A57BC #BC5787 #B9BC57 #57BC8D

square

#5A57BC #BC5787 #B9BC57 #57BC8D

split-complementary

#5A57BC #BC8D57 #87BC57

monochromatic

#2D2C6D #403D99 #5A57BC #8583CD #B0AFDF

Accessibility & contrast

On white

5.96

#5A57BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#5A57BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A57BC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A57BC	#FFFFFF	#000000	##FFFFFF
##5A57BC	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67C0

Deuteranopia (green-blind)

#0F60BA

Tritanopia (blue-blind)

#316E81

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5a57bc;
/* rgb */ color: rgb(90, 87, 188);
/* oklch */ color: oklch(51.3% 0.154 280.8);

Tailwind

colors: {
  custom: {
    50: '#9086d1',
    500: '#5a57bc',
    950: '#000000',
  },
}

SCSS

$custom: #5a57bc;
$custom-light: #9086d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5a57bc",
  "rgb": {
    "r": 90,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 241.782,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5133,
    "c": 0.15436,
    "h": 280.8
  },
  "luminance": 0.12621
}

Semantic roles & 50–950 ramp

primary

#5A57BC

secondary

#CCCDA2

accent

#D355CF

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5A57BC

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

Preview Lab → · Contrast checker → · Palette generator →