#5B71EB#5B71EB

#5B71EB is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.6% C 0.184 H 272.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#5B71EB
RGB	rgb(91, 113, 235)
HSL	hsl(231, 78%, 64%)
HSV	hsv(231, 61%, 92%)
CMYK	cmyk(61.3%, 51.9%, 0%, 7.8%)
CIE-LAB	lab(51.87, 28.70, -64.29)
CIE-LCH	lch(51.87, 70.40, 294.06°)
OKLab	oklab(59.6% 0.0063 -0.1843)
OKLCH	oklch(59.6% 0.184 272)
XYZ	xyz(25.2099, 20.0305, 81.1189)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71EB #EBD55B

analogous

#5BB9EB #5B71EB #8D5BEB

triadic

#5B71EB #EB5B71 #71EB5B

tetradic

#5B71EB #EB5BB9 #EBD55B #5BEB8D

square

#5B71EB #EB5BB9 #EBD55B #5BEB8D

split-complementary

#5B71EB #EB8D5B #B9EB5B

monochromatic

#162EB5 #2442E4 #5B71EB #92A0F2 #C8CFF8

Accessibility & contrast

On white

4.19

#5B71EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#5B71EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71EB

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71EB	#FFFFFF	#000000	##000000
##5B71EB	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2682EF

Deuteranopia (green-blind)

#0076E8

Tritanopia (blue-blind)

#008DA3

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b71eb;
/* rgb */ color: rgb(91, 113, 235);
/* oklch */ color: oklch(59.6% 0.184 272.0);

Tailwind

colors: {
  custom: {
    50: '#9699f2',
    500: '#5b71eb',
    950: '#000000',
  },
}

SCSS

$custom: #5b71eb;
$custom-light: #9699f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71eb",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 235
  },
  "hsl": {
    "h": 230.833,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.59603,
    "c": 0.18445,
    "h": 272
  },
  "luminance": 0.20033
}

Semantic roles & 50–950 ramp

primary

#5B71EB

secondary

#EAE2B8

accent

#BB0BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5B71EB

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

Preview Lab → · Contrast checker → · Palette generator →