#5B6BEB#5B6BEB

#5B6BEB is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.5% C 0.192 H 273.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B6BEB
RGB	rgb(91, 107, 235)
HSL	hsl(233, 78%, 64%)
HSV	hsv(233, 61%, 92%)
CMYK	cmyk(61.3%, 54.5%, 0%, 7.8%)
CIE-LAB	lab(50.38, 32.37, -66.70)
CIE-LCH	lch(50.38, 74.15, 295.89°)
OKLab	oklab(58.48% 0.0119 -0.1915)
OKLCH	oklch(58.48% 0.192 273.5)
XYZ	xyz(24.5625, 18.7357, 80.9031)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6BEB #EBDB5B

analogous

#5BB3EB #5B6BEB #935BEB

triadic

#5B6BEB #EB5B6B #6BEB5B

tetradic

#5B6BEB #EB5BB3 #EBDB5B #5BEB93

square

#5B6BEB #EB5BB3 #EBDB5B #5BEB93

split-complementary

#5B6BEB #EB935B #B3EB5B

monochromatic

#1628B5 #243AE4 #5B6BEB #929CF2 #C8CDF8

Accessibility & contrast

On white

4.42

#5B6BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5B6BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6BEB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6BEB	#FFFFFF	#000000	##000000
##5B6BEB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#027EEF

Deuteranopia (green-blind)

#0072E8

Tritanopia (blue-blind)

#0089A1

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b6beb;
/* rgb */ color: rgb(91, 107, 235);
/* oklch */ color: oklch(58.5% 0.192 273.5);

Tailwind

colors: {
  custom: {
    50: '#9795f2',
    500: '#5b6beb',
    950: '#000000',
  },
}

SCSS

$custom: #5b6beb;
$custom-light: #9795f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6beb",
  "rgb": {
    "r": 91,
    "g": 107,
    "b": 235
  },
  "hsl": {
    "h": 233.333,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.5848,
    "c": 0.19189,
    "h": 273.5
  },
  "luminance": 0.18738
}

Semantic roles & 50–950 ramp

primary

#5B6BEB

secondary

#EAE5B8

accent

#C30BDB

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5B6BEB

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

Preview Lab → · Contrast checker → · Palette generator →