#5B6BDF#5B6BDF

#5B6BDF is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.6% C 0.176 H 273.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5B6BDF
RGB	rgb(91, 107, 223)
HSL	hsl(233, 67%, 62%)
HSV	hsv(233, 59%, 87%)
CMYK	cmyk(59.2%, 52%, 0%, 12.5%)
CIE-LAB	lab(49.58, 28.41, -61.24)
CIE-LCH	lch(49.58, 67.52, 294.89°)
OKLab	oklab(57.62% 0.0112 -0.1754)
OKLCH	oklch(57.62% 0.176 273.7)
XYZ	xyz(22.8870, 18.0655, 72.0786)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6BDF #DFCF5B

analogous

#5BADDF #5B6BDF #8D5BDF

triadic

#5B6BDF #DF5B6B #6BDF5B

tetradic

#5B6BDF #DF5BAD #DFCF5B #5BDF8D

square

#5B6BDF #DF5BAD #DFCF5B #5BDF8D

split-complementary

#5B6BDF #DF8D5B #ADDF5B

monochromatic

#1F2FA0 #293ED4 #5B6BDF #8E99E9 #C1C7F3

Accessibility & contrast

On white

4.55

#5B6BDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#5B6BDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6BDF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6BDF	#FFFFFF	#000000	##000000
##5B6BDF	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#267CE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#00869B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5b6bdf;
/* rgb */ color: rgb(91, 107, 223);
/* oklch */ color: oklch(57.6% 0.176 273.7);

Tailwind

colors: {
  custom: {
    50: '#9595ea',
    500: '#5b6bdf',
    950: '#000000',
  },
}

SCSS

$custom: #5b6bdf;
$custom-light: #9595ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6bdf",
  "rgb": {
    "r": 91,
    "g": 107,
    "b": 223
  },
  "hsl": {
    "h": 232.727,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.57624,
    "c": 0.17581,
    "h": 273.7
  },
  "luminance": 0.18067
}

Semantic roles & 50–950 ramp

primary

#5B6BDF

secondary

#E3DEB2

accent

#B916CF

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6BDF

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

Preview Lab → · Contrast checker → · Palette generator →