#5B6BCA#5B6BCA

#5B6BCA is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.2% C 0.147 H 273.6°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5B6BCA
RGB	rgb(91, 107, 202)
HSL	hsl(231, 51%, 57%)
HSV	hsv(231, 55%, 79%)
CMYK	cmyk(55%, 47%, 0%, 20.8%)
CIE-LAB	lab(48.26, 21.53, -51.40)
CIE-LCH	lch(48.26, 55.73, 292.73°)
OKLab	oklab(56.21% 0.0091 -0.1465)
OKLCH	oklch(56.21% 0.147 273.6)
XYZ	xyz(20.2293, 17.0024, 58.0815)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6BCA #CABA5B

analogous

#5BA3CA #5B6BCA #825BCA

triadic

#5B6BCA #CA5B6B #6BCA5B

tetradic

#5B6BCA #CA5BA3 #CABA5B #5BCA82

square

#5B6BCA #CA5BA3 #CABA5B #5BCA82

split-complementary

#5B6BCA #CA825B #A3CA5B

monochromatic

#2A3681 #394AAF #5B6BCA #8995D9 #B8BEE8

Accessibility & contrast

On white

4.77

#5B6BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#5B6BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B6BCA

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6BCA	#FFFFFF	#000000	##FFFFFF
##5B6BCA	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F78CE

Deuteranopia (green-blind)

#316EC8

Tritanopia (blue-blind)

#208091

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5b6bca;
/* rgb */ color: rgb(91, 107, 202);
/* oklch */ color: oklch(56.2% 0.147 273.6);

Tailwind

colors: {
  custom: {
    50: '#9195db',
    500: '#5b6bca',
    950: '#000000',
  },
}

SCSS

$custom: #5b6bca;
$custom-light: #9195db;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6bca",
  "rgb": {
    "r": 91,
    "g": 107,
    "b": 202
  },
  "hsl": {
    "h": 231.351,
    "s": 51.152,
    "l": 57.451
  },
  "oklch": {
    "l": 0.56211,
    "c": 0.14679,
    "h": 273.6
  },
  "luminance": 0.17004
}

Semantic roles & 50–950 ramp

primary

#5B6BCA

secondary

#D7D0AA

accent

#C64DDB

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5B6BCA

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

Preview Lab → · Contrast checker → · Palette generator →