#5664B2#5664B2

#5664B2 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.9% C 0.123 H 273.8°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#5664B2
RGB	rgb(86, 100, 178)
HSL	hsl(231, 37%, 52%)
HSV	hsv(231, 52%, 70%)
CMYK	cmyk(51.7%, 43.8%, 0%, 30.2%)
CIE-LAB	lab(44.67, 17.02, -43.27)
CIE-LCH	lch(44.67, 46.49, 291.47°)
OKLab	oklab(52.94% 0.0081 -0.1228)
OKLCH	oklch(52.94% 0.123 273.8)
XYZ	xyz(16.4282, 14.3061, 44.0065)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5664B2 #B2A456

analogous

#5692B2 #5664B2 #7656B2

triadic

#5664B2 #B25664 #64B256

tetradic

#5664B2 #B25692 #B2A456 #56B276

square

#5664B2 #B25692 #B2A456 #56B276

split-complementary

#5664B2 #B27656 #92B256

monochromatic

#2C3461 #3F4B8B #5664B2 #808BC5 #AAB1D8

Accessibility & contrast

On white

5.44

#5664B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#5664B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5664B2

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5664B2	#FFFFFF	#000000	##FFFFFF
##5664B2	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446EB5

Deuteranopia (green-blind)

#3A66B0

Tritanopia (blue-blind)

#2E7582

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5664b2;
/* rgb */ color: rgb(86, 100, 178);
/* oklch */ color: oklch(52.9% 0.123 273.8);

Tailwind

colors: {
  custom: {
    50: '#8c8fc9',
    500: '#5664b2',
    950: '#000000',
  },
}

SCSS

$custom: #5664b2;
$custom-light: #8c8fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#5664b2",
  "rgb": {
    "r": 86,
    "g": 100,
    "b": 178
  },
  "hsl": {
    "h": 230.87,
    "s": 37.398,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52935,
    "c": 0.12309,
    "h": 273.8
  },
  "luminance": 0.14307
}

Semantic roles & 50–950 ramp

primary

#5664B2

secondary

#C6C09E

accent

#BC5ACD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #5664B2

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

Preview Lab → · Contrast checker → · Palette generator →