#5773CB#5773CB

#5773CB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.7% C 0.139 H 268.5°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5773CB
RGB	rgb(87, 115, 203)
HSL	hsl(226, 53%, 57%)
HSV	hsv(226, 57%, 80%)
CMYK	cmyk(57.1%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(50.21, 16.09, -48.87)
CIE-LCH	lch(50.21, 51.45, 288.22°)
OKLab	oklab(57.66% -0.0036 -0.1391)
OKLCH	oklch(57.66% 0.139 268.5)
XYZ	xyz(20.8371, 18.5979, 58.9800)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5773CB #CBAF57

analogous

#57ADCB #5773CB #7557CB

triadic

#5773CB #CB5773 #73CB57

tetradic

#5773CB #CB57AD #CBAF57 #57CB75

square

#5773CB #CB57AD #CBAF57 #57CB75

split-complementary

#5773CB #CB7557 #ADCB57

monochromatic

#283D80 #3653AF #5773CB #869AD9 #B4C1E8

Accessibility & contrast

On white

4.45

#5773CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5773CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5773CB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5773CB	#FFFFFF	#000000	##000000
##5773CB	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCE

Deuteranopia (green-blind)

#3D73C9

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5773cb;
/* rgb */ color: rgb(87, 115, 203);
/* oklch */ color: oklch(57.7% 0.139 268.5);

Tailwind

colors: {
  custom: {
    50: '#8f9adb',
    500: '#5773cb',
    950: '#000000',
  },
}

SCSS

$custom: #5773cb;
$custom-light: #8f9adb;
$custom-dark: #000000;

JSON

{
  "hex": "#5773cb",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 225.517,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.57655,
    "c": 0.13914,
    "h": 268.5
  },
  "luminance": 0.186
}

Semantic roles & 50–950 ramp

primary

#5773CB

secondary

#D7CBA7

accent

#B94CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5773CB

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

Preview Lab → · Contrast checker → · Palette generator →