#5B7BEB#5B7BEB

#5B7BEB is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.5% C 0.172 H 268.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#5B7BEB
RGB	rgb(91, 123, 235)
HSL	hsl(227, 78%, 64%)
HSV	hsv(227, 61%, 92%)
CMYK	cmyk(61.3%, 47.7%, 0%, 7.8%)
CIE-LAB	lab(54.43, 22.58, -60.16)
CIE-LCH	lch(54.43, 64.26, 290.58°)
OKLab	oklab(61.54% -0.0033 -0.1721)
OKLCH	oklch(61.54% 0.172 268.9)
XYZ	xyz(26.3877, 22.3860, 81.5115)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B7BEB #EBCB5B

analogous

#5BC3EB #5B7BEB #835BEB

triadic

#5B7BEB #EB5B7B #7BEB5B

tetradic

#5B7BEB #EB5BC3 #EBCB5B #5BEB83

square

#5B7BEB #EB5BC3 #EBCB5B #5BEB83

split-complementary

#5B7BEB #EB835B #C3EB5B

monochromatic

#163AB5 #244FE4 #5B7BEB #92A7F2 #C8D3F8

Accessibility & contrast

On white

3.83

#5B7BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#5B7BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B7BEB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B7BEB	#FFFFFF	#000000	##000000
##5B7BEB	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4289EF

Deuteranopia (green-blind)

#267CE9

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5b7beb;
/* rgb */ color: rgb(91, 123, 235);
/* oklch */ color: oklch(61.5% 0.172 268.9);

Tailwind

colors: {
  custom: {
    50: '#96a0f2',
    500: '#5b7beb',
    950: '#000000',
  },
}

SCSS

$custom: #5b7beb;
$custom-light: #96a0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b7beb",
  "rgb": {
    "r": 91,
    "g": 123,
    "b": 235
  },
  "hsl": {
    "h": 226.667,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.61543,
    "c": 0.17211,
    "h": 268.9
  },
  "luminance": 0.22388
}

Semantic roles & 50–950 ramp

primary

#5B7BEB

secondary

#EADFB8

accent

#AC0BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5B7BEB

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

Preview Lab → · Contrast checker → · Palette generator →