#5B71E6#5B71E6

#5B71E6 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.3% C 0.178 H 271.9°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5B71E6
RGB	rgb(91, 113, 230)
HSL	hsl(231, 74%, 63%)
HSV	hsv(231, 60%, 90%)
CMYK	cmyk(60.4%, 50.9%, 0%, 9.8%)
CIE-LAB	lab(51.55, 27.04, -62.01)
CIE-LCH	lch(51.55, 67.65, 293.56°)
OKLab	oklab(59.26% 0.0059 -0.1776)
OKLCH	oklch(59.26% 0.178 271.9)
XYZ	xyz(24.4977, 19.7456, 77.3679)
Luminance	0.1975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71E6 #E6D05B

analogous

#5BB6E6 #5B71E6 #8B5BE6

triadic

#5B71E6 #E65B71 #71E65B

tetradic

#5B71E6 #E65BB6 #E6D05B #5BE68B

square

#5B71E6 #E65BB6 #E6D05B #5BE68B

split-complementary

#5B71E6 #E68B5B #B6E65B

monochromatic

#1A31AC #2643DE #5B71E6 #909FEE #C5CDF6

Accessibility & contrast

On white

4.24

#5B71E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5B71E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71E6

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71E6	#FFFFFF	#000000	##000000
##5B71E6	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)

#2E81EA

Deuteranopia (green-blind)

#0175E4

Tritanopia (blue-blind)

#008CA1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b71e6;
/* rgb */ color: rgb(91, 113, 230);
/* oklch */ color: oklch(59.3% 0.178 271.9);

Tailwind

colors: {
  custom: {
    50: '#9599ef',
    500: '#5b71e6',
    950: '#000000',
  },
}

SCSS

$custom: #5b71e6;
$custom-light: #9599ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71e6",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 230
  },
  "hsl": {
    "h": 230.504,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.59256,
    "c": 0.17773,
    "h": 271.9
  },
  "luminance": 0.19748
}

Semantic roles & 50–950 ramp

primary

#5B71E6

secondary

#E7E0B5

accent

#B610D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B71E6

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

Preview Lab → · Contrast checker → · Palette generator →