#5742CC#5742CC

#5742CC is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.8% C 0.203 H 282.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#5742CC
RGB	rgb(87, 66, 204)
HSL	hsl(249, 58%, 53%)
HSV	hsv(249, 68%, 80%)
CMYK	cmyk(57.4%, 67.6%, 0%, 20%)
CIE-LAB	lab(38.34, 46.23, -68.63)
CIE-LCH	lch(38.34, 82.75, 303.96°)
OKLab	oklab(48.83% 0.045 -0.1975)
OKLCH	oklch(48.83% 0.203 282.8)
XYZ	xyz(16.7744, 10.2812, 58.2156)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5742CC #B7CC42

analogous

#4272CC #5742CC #9C42CC

triadic

#5742CC #CC5742 #42CC57

tetradic

#5742CC #CC4272 #B7CC42 #42CC9C

square

#5742CC #CC4272 #B7CC42 #42CC9C

split-complementary

#5742CC #CC9C42 #72CC42

monochromatic

#2C1F74 #3F2CA4 #5742CC #8272D9 #ADA2E6

Accessibility & contrast

On white

6.87

#5742CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#5742CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5742CC

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5742CC	#FFFFFF	#000000	##FFFFFF
##5742CC	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD0

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#156682

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5742cc;
/* rgb */ color: rgb(87, 66, 204);
/* oklch */ color: oklch(48.8% 0.203 282.8);

Tailwind

colors: {
  custom: {
    50: '#9278dd',
    500: '#5742cc',
    950: '#000000',
  },
}

SCSS

$custom: #5742cc;
$custom-light: #9278dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5742cc",
  "rgb": {
    "r": 87,
    "g": 66,
    "b": 204
  },
  "hsl": {
    "h": 249.13,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48828,
    "c": 0.20258,
    "h": 282.8
  },
  "luminance": 0.10282
}

Semantic roles & 50–950 ramp

primary

#5742CC

secondary

#CAD397

accent

#E147C9

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5742CC

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

Preview Lab → · Contrast checker → · Palette generator →