#5B72CC#5B72CC

#5B72CC is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.8% C 0.141 H 270.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5B72CC
RGB	rgb(91, 114, 204)
HSL	hsl(228, 53%, 58%)
HSV	hsv(228, 55%, 80%)
CMYK	cmyk(55.4%, 44.1%, 0%, 20%)
CIE-LAB	lab(50.24, 17.86, -49.39)
CIE-LCH	lch(50.24, 52.52, 289.88°)
OKLab	oklab(57.75% 0.0017 -0.1405)
OKLCH	oklch(57.75% 0.141 270.7)
XYZ	xyz(21.2272, 18.6169, 59.5899)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B72CC #CCB55B

analogous

#5BAACC #5B72CC #7D5BCC

triadic

#5B72CC #CC5B72 #72CC5B

tetradic

#5B72CC #CC5BAA #CCB55B #5BCC7D

square

#5B72CC #CC5BAA #CCB55B #5BCC7D

split-complementary

#5B72CC #CC7D5B #AACC5B

monochromatic

#293B84 #3750B2 #5B72CC #8A9ADB #B8C2E9

Accessibility & contrast

On white

4.45

#5B72CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5B72CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B72CC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B72CC	#FFFFFF	#000000	##000000
##5B72CC	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)

#4A7DCF

Deuteranopia (green-blind)

#3C73CA

Tritanopia (blue-blind)

#1A8695

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b72cc;
/* rgb */ color: rgb(91, 114, 204);
/* oklch */ color: oklch(57.8% 0.141 270.7);

Tailwind

colors: {
  custom: {
    50: '#919adc',
    500: '#5b72cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b72cc;
$custom-light: #919adc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b72cc",
  "rgb": {
    "r": 91,
    "g": 114,
    "b": 204
  },
  "hsl": {
    "h": 227.788,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57752,
    "c": 0.14055,
    "h": 270.7
  },
  "luminance": 0.18618
}

Semantic roles & 50–950 ramp

primary

#5B72CC

secondary

#D8CFAB

accent

#BF4CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5B72CC

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

Preview Lab → · Contrast checker → · Palette generator →