#5B6BCC#5B6BCC

#5B6BCC is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.3% C 0.150 H 273.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B6BCC
RGB	rgb(91, 107, 204)
HSL	hsl(232, 53%, 58%)
HSV	hsv(232, 55%, 80%)
CMYK	cmyk(55.4%, 47.5%, 0%, 20%)
CIE-LAB	lab(48.38, 22.18, -52.36)
CIE-LCH	lch(48.38, 56.86, 292.96°)
OKLab	oklab(56.34% 0.0094 -0.1493)
OKLCH	oklch(56.34% 0.15 273.6)
XYZ	xyz(20.4676, 17.0977, 59.3367)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6BCC #CCBC5B

analogous

#5BA4CC #5B6BCC #835BCC

triadic

#5B6BCC #CC5B6B #6BCC5B

tetradic

#5B6BCC #CC5BA4 #CCBC5B #5BCC83

square

#5B6BCC #CC5BA4 #CCBC5B #5BCC83

split-complementary

#5B6BCC #CC835B #A4CC5B

monochromatic

#293684 #3749B2 #5B6BCC #8A95DB #B8BFE9

Accessibility & contrast

On white

4.75

#5B6BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#5B6BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B6BCC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6BCC	#FFFFFF	#000000	##FFFFFF
##5B6BCC	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D78D0

Deuteranopia (green-blind)

#2E6ECA

Tritanopia (blue-blind)

#1D8192

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5b6bcc;
/* rgb */ color: rgb(91, 107, 204);
/* oklch */ color: oklch(56.3% 0.150 273.6);

Tailwind

colors: {
  custom: {
    50: '#9295dc',
    500: '#5b6bcc',
    950: '#000000',
  },
}

SCSS

$custom: #5b6bcc;
$custom-light: #9295dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6bcc",
  "rgb": {
    "r": 91,
    "g": 107,
    "b": 204
  },
  "hsl": {
    "h": 231.504,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.56341,
    "c": 0.1496,
    "h": 273.6
  },
  "luminance": 0.17099
}

Semantic roles & 50–950 ramp

primary

#5B6BCC

secondary

#D8D2AB

accent

#C84CDC

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B6BCC

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

Preview Lab → · Contrast checker → · Palette generator →