#5B73E8#5B73E8

#5B73E8 is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.8% C 0.178 H 271.3°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#5B73E8
RGB	rgb(91, 115, 232)
HSL	hsl(230, 75%, 63%)
HSV	hsv(230, 61%, 91%)
CMYK	cmyk(60.8%, 50.4%, 0%, 9%)
CIE-LAB	lab(52.19, 26.48, -62.10)
CIE-LCH	lch(52.19, 67.51, 293.09°)
OKLab	oklab(59.78% 0.0041 -0.1779)
OKLCH	oklch(59.78% 0.178 271.3)
XYZ	xyz(25.0057, 20.3097, 78.9307)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73E8 #E8D05B

analogous

#5BB9E8 #5B73E8 #895BE8

triadic

#5B73E8 #E85B73 #73E85B

tetradic

#5B73E8 #E85BB9 #E8D05B #5BE889

square

#5B73E8 #E85BB9 #E8D05B #5BE889

split-complementary

#5B73E8 #E8895B #B9E85B

monochromatic

#1932B0 #2545E0 #5B73E8 #91A1F0 #C6CFF7

Accessibility & contrast

On white

4.15

#5B73E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#5B73E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73E8

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73E8	#FFFFFF	#000000	##000000
##5B73E8	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3183EC

Deuteranopia (green-blind)

#0777E6

Tritanopia (blue-blind)

#008EA3

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b73e8;
/* rgb */ color: rgb(91, 115, 232);
/* oklch */ color: oklch(59.8% 0.178 271.3);

Tailwind

colors: {
  custom: {
    50: '#969bf0',
    500: '#5b73e8',
    950: '#000000',
  },
}

SCSS

$custom: #5b73e8;
$custom-light: #969bf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73e8",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 232
  },
  "hsl": {
    "h": 229.787,
    "s": 75.401,
    "l": 63.333
  },
  "oklch": {
    "l": 0.59778,
    "c": 0.17793,
    "h": 271.3
  },
  "luminance": 0.20312
}

Semantic roles & 50–950 ramp

primary

#5B73E8

secondary

#E9E0B6

accent

#B50ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5B73E8

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

Preview Lab → · Contrast checker → · Palette generator →