#5A57CA#5A57CA

#5A57CA is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.3% C 0.173 H 279.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5A57CA
RGB	rgb(90, 87, 202)
HSL	hsl(242, 52%, 57%)
HSV	hsv(242, 57%, 79%)
CMYK	cmyk(55.4%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(43.14, 33.70, -59.65)
CIE-LCH	lch(43.14, 68.51, 299.46°)
OKLab	oklab(52.35% 0.0293 -0.171)
OKLCH	oklch(52.35% 0.173 279.7)
XYZ	xyz(18.2820, 13.2531, 57.4604)
Luminance	0.1325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A57CA #C7CA57

analogous

#578ECA #5A57CA #9457CA

triadic

#5A57CA #CA5A57 #57CA5A

tetradic

#5A57CA #CA578E #C7CA57 #57CA94

square

#5A57CA #CA578E #C7CA57 #57CA94

split-complementary

#5A57CA #CA9457 #8ECA57

monochromatic

#2A287F #3A37AD #5A57CA #8886D9 #B5B4E7

Accessibility & contrast

On white

5.75

#5A57CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#5A57CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A57CA

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A57CA	#FFFFFF	#000000	##FFFFFF
##5A57CA	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACE

Deuteranopia (green-blind)

#0061C8

Tritanopia (blue-blind)

#217288

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5a57ca;
/* rgb */ color: rgb(90, 87, 202);
/* oklch */ color: oklch(52.3% 0.173 279.7);

Tailwind

colors: {
  custom: {
    50: '#9286db',
    500: '#5a57ca',
    950: '#000000',
  },
}

SCSS

$custom: #5a57ca;
$custom-light: #9286db;
$custom-dark: #000000;

JSON

{
  "hex": "#5a57ca",
  "rgb": {
    "r": 90,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 241.565,
    "s": 52.036,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52347,
    "c": 0.17346,
    "h": 279.7
  },
  "luminance": 0.13254
}

Semantic roles & 50–950 ramp

primary

#5A57CA

secondary

#D5D6A7

accent

#DB4CD8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5A57CA

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

Preview Lab → · Contrast checker → · Palette generator →