#5743CB#5743CB

#5743CB is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.9% C 0.200 H 282.8°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#5743CB
RGB	rgb(87, 67, 203)
HSL	hsl(249, 57%, 53%)
HSV	hsv(249, 67%, 80%)
CMYK	cmyk(57.1%, 67%, 0%, 20.4%)
CIE-LAB	lab(38.47, 45.36, -67.85)
CIE-LCH	lch(38.47, 81.62, 303.76°)
OKLab	oklab(48.89% 0.0443 -0.1952)
OKLCH	oklch(48.89% 0.2 282.8)
XYZ	xyz(16.7138, 10.3513, 57.6056)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5743CB #B7CB43

analogous

#4373CB #5743CB #9B43CB

triadic

#5743CB #CB5743 #43CB57

tetradic

#5743CB #CB4373 #B7CB43 #43CB9B

square

#5743CB #CB4373 #B7CB43 #43CB9B

split-complementary

#5743CB #CB9B43 #73CB43

monochromatic

#2C2074 #3F2DA4 #5743CB #8273D8 #ADA3E6

Accessibility & contrast

On white

6.84

#5743CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#5743CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5743CB

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5743CB	#FFFFFF	#000000	##FFFFFF
##5743CB	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCF

Deuteranopia (green-blind)

#0056C8

Tritanopia (blue-blind)

#176681

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #5743cb;
/* rgb */ color: rgb(87, 67, 203);
/* oklch */ color: oklch(48.9% 0.200 282.8);

Tailwind

colors: {
  custom: {
    50: '#9279dc',
    500: '#5743cb',
    950: '#000000',
  },
}

SCSS

$custom: #5743cb;
$custom-light: #9279dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5743cb",
  "rgb": {
    "r": 87,
    "g": 67,
    "b": 203
  },
  "hsl": {
    "h": 248.824,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48891,
    "c": 0.20019,
    "h": 282.8
  },
  "luminance": 0.10352
}

Semantic roles & 50–950 ramp

primary

#5743CB

secondary

#CAD298

accent

#E048CA

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5743CB

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

Preview Lab → · Contrast checker → · Palette generator →