#5A57CC#5A57CC

#5A57CC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.5% C 0.176 H 279.6°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#5A57CC
RGB	rgb(90, 87, 204)
HSL	hsl(242, 53%, 57%)
HSV	hsv(242, 57%, 80%)
CMYK	cmyk(55.9%, 57.4%, 0%, 20%)
CIE-LAB	lab(43.28, 34.34, -60.58)
CIE-LCH	lch(43.28, 69.63, 299.55°)
OKLab	oklab(52.5% 0.0293 -0.1737)
OKLCH	oklch(52.5% 0.176 279.6)
XYZ	xyz(18.5203, 13.3485, 58.7156)
Luminance	0.1335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A57CC #C9CC57

analogous

#578FCC #5A57CC #9457CC

triadic

#5A57CC #CC5A57 #57CC5A

tetradic

#5A57CC #CC578F #C9CC57 #57CC94

square

#5A57CC #CC578F #C9CC57 #57CC94

split-complementary

#5A57CC #CC9457 #8FCC57

monochromatic

#2A2781 #3936B0 #5A57CC #8886DA #B6B5E9

Accessibility & contrast

On white

5.72

#5A57CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#5A57CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A57CC

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A57CC	#FFFFFF	#000000	##FFFFFF
##5A57CC	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0062CA

Tritanopia (blue-blind)

#1E7289

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5a57cc;
/* rgb */ color: rgb(90, 87, 204);
/* oklch */ color: oklch(52.5% 0.176 279.6);

Tailwind

colors: {
  custom: {
    50: '#9286dc',
    500: '#5a57cc',
    950: '#000000',
  },
}

SCSS

$custom: #5a57cc;
$custom-light: #9286dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5a57cc",
  "rgb": {
    "r": 90,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 241.538,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52497,
    "c": 0.17615,
    "h": 279.6
  },
  "luminance": 0.1335
}

Semantic roles & 50–950 ramp

primary

#5A57CC

secondary

#D6D7A8

accent

#DD4BD9

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5A57CC

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

Preview Lab → · Contrast checker → · Palette generator →