#5B71E4#5B71E4

#5B71E4 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.1% C 0.175 H 271.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5B71E4
RGB	rgb(91, 113, 228)
HSL	hsl(230, 72%, 63%)
HSV	hsv(230, 60%, 89%)
CMYK	cmyk(60.1%, 50.4%, 0%, 10.6%)
CIE-LAB	lab(51.42, 26.38, -61.09)
CIE-LCH	lch(51.42, 66.54, 293.36°)
OKLab	oklab(59.12% 0.0057 -0.1749)
OKLCH	oklch(59.12% 0.175 271.9)
XYZ	xyz(24.2184, 19.6339, 75.8972)
Luminance	0.1964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71E4 #E4CE5B

analogous

#5BB5E4 #5B71E4 #895BE4

triadic

#5B71E4 #E45B71 #71E45B

tetradic

#5B71E4 #E45BB5 #E4CE5B #5BE489

square

#5B71E4 #E45BB5 #E4CE5B #5BE489

split-complementary

#5B71E4 #E4895B #B5E45B

monochromatic

#1C32A9 #2644DB #5B71E4 #909EED #C4CCF5

Accessibility & contrast

On white

4.26

#5B71E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#5B71E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71E4

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71E4	#FFFFFF	#000000	##000000
##5B71E4	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3181E8

Deuteranopia (green-blind)

#0C75E2

Tritanopia (blue-blind)

#008BA0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b71e4;
/* rgb */ color: rgb(91, 113, 228);
/* oklch */ color: oklch(59.1% 0.175 271.9);

Tailwind

colors: {
  custom: {
    50: '#9599ed',
    500: '#5b71e4',
    950: '#000000',
  },
}

SCSS

$custom: #5b71e4;
$custom-light: #9599ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71e4",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 228
  },
  "hsl": {
    "h": 230.365,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.59118,
    "c": 0.17502,
    "h": 271.9
  },
  "luminance": 0.19636
}

Semantic roles & 50–950 ramp

primary

#5B71E4

secondary

#E6DEB4

accent

#B512D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B71E4

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

Preview Lab → · Contrast checker → · Palette generator →