#5B73E7#5B73E7

#5B73E7 is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.7% C 0.177 H 271.3°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#5B73E7
RGB	rgb(91, 115, 231)
HSL	hsl(230, 74%, 63%)
HSV	hsv(230, 61%, 91%)
CMYK	cmyk(60.6%, 50.2%, 0%, 9.4%)
CIE-LAB	lab(52.12, 26.15, -61.64)
CIE-LCH	lch(52.12, 66.96, 292.99°)
OKLab	oklab(59.71% 0.0041 -0.1765)
OKLCH	oklch(59.71% 0.177 271.3)
XYZ	xyz(24.8641, 20.2531, 78.1848)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73E7 #E7CF5B

analogous

#5BB9E7 #5B73E7 #895BE7

triadic

#5B73E7 #E75B73 #73E75B

tetradic

#5B73E7 #E75BB9 #E7CF5B #5BE789

square

#5B73E7 #E75BB9 #E7CF5B #5BE789

split-complementary

#5B73E7 #E7895B #B9E75B

monochromatic

#1933AE #2645DF #5B73E7 #90A1EF #C6CEF7

Accessibility & contrast

On white

4.16

#5B73E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#5B73E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73E7

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73E7	#FFFFFF	#000000	##000000
##5B73E7	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3383EB

Deuteranopia (green-blind)

#0C76E5

Tritanopia (blue-blind)

#008EA2

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b73e7;
/* rgb */ color: rgb(91, 115, 231);
/* oklch */ color: oklch(59.7% 0.177 271.3);

Tailwind

colors: {
  custom: {
    50: '#959bef',
    500: '#5b73e7',
    950: '#000000',
  },
}

SCSS

$custom: #5b73e7;
$custom-light: #959bef;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73e7",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 231
  },
  "hsl": {
    "h": 229.714,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.5971,
    "c": 0.17658,
    "h": 271.3
  },
  "luminance": 0.20255
}

Semantic roles & 50–950 ramp

primary

#5B73E7

secondary

#E8DFB6

accent

#B40FD7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B73E7

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

Preview Lab → · Contrast checker → · Palette generator →