#5664CB#5664CB

#5664CB is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.6% C 0.159 H 274.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#5664CB
RGB	rgb(86, 100, 203)
HSL	hsl(233, 53%, 57%)
HSV	hsv(233, 58%, 80%)
CMYK	cmyk(57.6%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(46.18, 25.20, -55.34)
CIE-LCH	lch(46.18, 60.81, 294.49°)
OKLab	oklab(54.57% 0.0114 -0.1583)
OKLCH	oklch(54.57% 0.159 274.1)
XYZ	xyz(19.1709, 15.4031, 58.4512)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5664CB #CBBD56

analogous

#569ECB #5664CB #8356CB

triadic

#5664CB #CB5664 #64CB56

tetradic

#5664CB #CB569E #CBBD56 #56CB83

square

#5664CB #CB569E #CBBD56 #56CB83

split-complementary

#5664CB #CB8356 #9ECB56

monochromatic

#27327F #3644AE #5664CB #858FD9 #B4BAE8

Accessibility & contrast

On white

5.15

#5664CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#5664CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5664CB

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5664CB	#FFFFFF	#000000	##FFFFFF
##5664CB	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73CF

Deuteranopia (green-blind)

#1569C9

Tritanopia (blue-blind)

#017B8E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5664cb;
/* rgb */ color: rgb(86, 100, 203);
/* oklch */ color: oklch(54.6% 0.159 274.1);

Tailwind

colors: {
  custom: {
    50: '#8f90db',
    500: '#5664cb',
    950: '#000000',
  },
}

SCSS

$custom: #5664cb;
$custom-light: #8f90db;
$custom-dark: #000000;

JSON

{
  "hex": "#5664cb",
  "rgb": {
    "r": 86,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 232.821,
    "s": 52.941,
    "l": 56.667
  },
  "oklch": {
    "l": 0.54571,
    "c": 0.15867,
    "h": 274.1
  },
  "luminance": 0.15405
}

Semantic roles & 50–950 ramp

primary

#5664CB

secondary

#D6D1A6

accent

#CB4BDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5664CB

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

Preview Lab → · Contrast checker → · Palette generator →