#5B73DE#5B73DE

#5B73DE is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.1% C 0.164 H 271.1°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5B73DE
RGB	rgb(91, 115, 222)
HSL	hsl(229, 66%, 61%)
HSV	hsv(229, 59%, 87%)
CMYK	cmyk(59%, 48.2%, 0%, 12.9%)
CIE-LAB	lab(51.56, 23.16, -57.48)
CIE-LCH	lch(51.56, 61.97, 291.95°)
OKLab	oklab(59.11% 0.0031 -0.1643)
OKLCH	oklch(59.11% 0.164 271.1)
XYZ	xyz(23.6255, 19.7577, 71.6617)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73DE #DEC65B

analogous

#5BB4DE #5B73DE #855BDE

triadic

#5B73DE #DE5B73 #73DE5B

tetradic

#5B73DE #DE5BB4 #DEC65B #5BDE85

square

#5B73DE #DE5BB4 #DEC65B #5BDE85

split-complementary

#5B73DE #DE855B #B4DE5B

monochromatic

#20379F #2A49D2 #5B73DE #8E9EE8 #C1CAF3

Accessibility & contrast

On white

4.24

#5B73DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5B73DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73DE

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73DE	#FFFFFF	#000000	##000000
##5B73DE	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D81E2

Deuteranopia (green-blind)

#2675DC

Tritanopia (blue-blind)

#008B9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b73de;
/* rgb */ color: rgb(91, 115, 222);
/* oklch */ color: oklch(59.1% 0.164 271.1);

Tailwind

colors: {
  custom: {
    50: '#949ae9',
    500: '#5b73de',
    950: '#000000',
  },
}

SCSS

$custom: #5b73de;
$custom-light: #949ae9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73de",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 222
  },
  "hsl": {
    "h": 229.008,
    "s": 66.497,
    "l": 61.373
  },
  "oklch": {
    "l": 0.59106,
    "c": 0.16433,
    "h": 271.1
  },
  "luminance": 0.1976
}

Semantic roles & 50–950 ramp

primary

#5B73DE

secondary

#E3DAB2

accent

#AD17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B73DE

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

Preview Lab → · Contrast checker → · Palette generator →