#5B73DF#5B73DF

#5B73DF is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.2% C 0.166 H 271.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#5B73DF
RGB	rgb(91, 115, 223)
HSL	hsl(229, 67%, 62%)
HSV	hsv(229, 59%, 87%)
CMYK	cmyk(59.2%, 48.4%, 0%, 12.5%)
CIE-LAB	lab(51.62, 23.49, -57.95)
CIE-LCH	lch(51.62, 62.53, 292.07°)
OKLab	oklab(59.17% 0.0032 -0.1657)
OKLCH	oklch(59.17% 0.166 271.1)
XYZ	xyz(23.7600, 19.8114, 72.3696)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73DF #DFC75B

analogous

#5BB5DF #5B73DF #855BDF

triadic

#5B73DF #DF5B73 #73DF5B

tetradic

#5B73DF #DF5BB5 #DFC75B #5BDF85

square

#5B73DF #DF5BB5 #DFC75B #5BDF85

split-complementary

#5B73DF #DF855B #B5DF5B

monochromatic

#1F37A0 #2948D4 #5B73DF #8E9FE9 #C1CAF3

Accessibility & contrast

On white

4.23

#5B73DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#5B73DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73DF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73DF	#FFFFFF	#000000	##000000
##5B73DF	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C81E3

Deuteranopia (green-blind)

#2476DD

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b73df;
/* rgb */ color: rgb(91, 115, 223);
/* oklch */ color: oklch(59.2% 0.166 271.1);

Tailwind

colors: {
  custom: {
    50: '#949aea',
    500: '#5b73df',
    950: '#000000',
  },
}

SCSS

$custom: #5b73df;
$custom-light: #949aea;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73df",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 223
  },
  "hsl": {
    "h": 229.091,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.59172,
    "c": 0.1657,
    "h": 271.1
  },
  "luminance": 0.19813
}

Semantic roles & 50–950 ramp

primary

#5B73DF

secondary

#E3DBB2

accent

#AE16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B73DF

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

Preview Lab → · Contrast checker → · Palette generator →