#5B6DDF#5B6DDF

#5B6DDF is a mid, vivid blue. Relative luminance 0.185; OKLCH L 58.0% C 0.173 H 273.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B6DDF
RGB	rgb(91, 109, 223)
HSL	hsl(232, 67%, 62%)
HSV	hsv(232, 59%, 87%)
CMYK	cmyk(59.2%, 51.1%, 0%, 12.5%)
CIE-LAB	lab(50.08, 27.18, -60.43)
CIE-LCH	lch(50.08, 66.26, 294.22°)
OKLab	oklab(58.01% 0.0092 -0.173)
OKLCH	oklch(58.01% 0.173 273.1)
XYZ	xyz(23.0979, 18.4873, 72.1490)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6DDF #DFCD5B

analogous

#5BAFDF #5B6DDF #8B5BDF

triadic

#5B6DDF #DF5B6D #6DDF5B

tetradic

#5B6DDF #DF5BAF #DFCD5B #5BDF8B

square

#5B6DDF #DF5BAF #DFCD5B #5BDF8B

split-complementary

#5B6DDF #DF8B5B #AFDF5B

monochromatic

#1F31A0 #2940D4 #5B6DDF #8E9BE9 #C1C8F3

Accessibility & contrast

On white

4.47

#5B6DDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#5B6DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6DDF

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6DDF	#FFFFFF	#000000	##000000
##5B6DDF	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7DE3

Deuteranopia (green-blind)

#0672DD

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b6ddf;
/* rgb */ color: rgb(91, 109, 223);
/* oklch */ color: oklch(58.0% 0.173 273.1);

Tailwind

colors: {
  custom: {
    50: '#9496ea',
    500: '#5b6ddf',
    950: '#000000',
  },
}

SCSS

$custom: #5b6ddf;
$custom-light: #9496ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6ddf",
  "rgb": {
    "r": 91,
    "g": 109,
    "b": 223
  },
  "hsl": {
    "h": 231.818,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58006,
    "c": 0.17328,
    "h": 273.1
  },
  "luminance": 0.18489
}

Semantic roles & 50–950 ramp

primary

#5B6DDF

secondary

#E3DDB2

accent

#B616CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6DDF

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

Preview Lab → · Contrast checker → · Palette generator →