#5742CB#5742CB

#5742CB is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.7% C 0.201 H 283.0°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#5742CB
RGB	rgb(87, 66, 203)
HSL	hsl(249, 57%, 53%)
HSV	hsv(249, 67%, 80%)
CMYK	cmyk(57.1%, 67.5%, 0%, 20.4%)
CIE-LAB	lab(38.26, 45.92, -68.19)
CIE-LCH	lch(38.26, 82.21, 303.96°)
OKLab	oklab(48.74% 0.0452 -0.1962)
OKLCH	oklch(48.74% 0.201 283)
XYZ	xyz(16.6549, 10.2334, 57.5860)
Luminance	0.1023 (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

#5742CB #B6CB42

analogous

#4272CB #5742CB #9B42CB

triadic

#5742CB #CB5742 #42CB57

tetradic

#5742CB #CB4272 #B6CB42 #42CB9B

square

#5742CB #CB4272 #B6CB42 #42CB9B

split-complementary

#5742CB #CB9B42 #72CB42

monochromatic

#2C2073 #3F2DA3 #5742CB #8272D8 #ACA2E5

Accessibility & contrast

On white

6.89

#5742CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#5742CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5742CB

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5742CB	#FFFFFF	#000000	##FFFFFF
##5742CB	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECF

Deuteranopia (green-blind)

#0055C8

Tritanopia (blue-blind)

#176581

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5742cb;
/* rgb */ color: rgb(87, 66, 203);
/* oklch */ color: oklch(48.7% 0.201 283.0);

Tailwind

colors: {
  custom: {
    50: '#9278dc',
    500: '#5742cb',
    950: '#000000',
  },
}

SCSS

$custom: #5742cb;
$custom-light: #9278dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5742cb",
  "rgb": {
    "r": 87,
    "g": 66,
    "b": 203
  },
  "hsl": {
    "h": 249.197,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.48742,
    "c": 0.20136,
    "h": 283
  },
  "luminance": 0.10234
}

Semantic roles & 50–950 ramp

primary

#5742CB

secondary

#C9D297

accent

#E048C9

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5742CB

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

Preview Lab → · Contrast checker → · Palette generator →