#5B71E8#5B71E8

#5B71E8 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.4% C 0.180 H 271.9°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5B71E8
RGB	rgb(91, 113, 232)
HSL	hsl(231, 75%, 63%)
HSV	hsv(231, 61%, 91%)
CMYK	cmyk(60.8%, 51.3%, 0%, 9%)
CIE-LAB	lab(51.68, 27.71, -62.92)
CIE-LCH	lch(51.68, 68.75, 293.77°)
OKLab	oklab(59.39% 0.0061 -0.1803)
OKLCH	oklch(59.39% 0.18 271.9)
XYZ	xyz(24.7802, 19.8586, 78.8555)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71E8 #E8D25B

analogous

#5BB8E8 #5B71E8 #8B5BE8

triadic

#5B71E8 #E85B71 #71E85B

tetradic

#5B71E8 #E85BB8 #E8D25B #5BE88B

square

#5B71E8 #E85BB8 #E8D25B #5BE88B

split-complementary

#5B71E8 #E88B5B #B8E85B

monochromatic

#1930B0 #2543E0 #5B71E8 #919FF0 #C6CEF7

Accessibility & contrast

On white

4.22

#5B71E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5B71E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71E8

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71E8	#FFFFFF	#000000	##000000
##5B71E8	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B82EC

Deuteranopia (green-blind)

#0075E6

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b71e8;
/* rgb */ color: rgb(91, 113, 232);
/* oklch */ color: oklch(59.4% 0.180 271.9);

Tailwind

colors: {
  custom: {
    50: '#9699f0',
    500: '#5b71e8',
    950: '#000000',
  },
}

SCSS

$custom: #5b71e8;
$custom-light: #9699f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71e8",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 232
  },
  "hsl": {
    "h": 230.638,
    "s": 75.401,
    "l": 63.333
  },
  "oklch": {
    "l": 0.59394,
    "c": 0.18042,
    "h": 271.9
  },
  "luminance": 0.19861
}

Semantic roles & 50–950 ramp

primary

#5B71E8

secondary

#E9E1B6

accent

#B80ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5B71E8

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

Preview Lab → · Contrast checker → · Palette generator →