#5666D2#5666D2

#5666D2 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.166 H 273.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5666D2
RGB	rgb(86, 102, 210)
HSL	hsl(232, 58%, 58%)
HSV	hsv(232, 59%, 82%)
CMYK	cmyk(59%, 51.4%, 0%, 17.6%)
CIE-LAB	lab(47.15, 26.28, -57.79)
CIE-LCH	lch(47.15, 63.48, 294.46°)
OKLab	oklab(55.45% 0.0099 -0.1655)
OKLCH	oklch(55.45% 0.166 273.4)
XYZ	xyz(20.2182, 16.1328, 63.0088)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5666D2 #D2C256

analogous

#56A4D2 #5666D2 #8456D2

triadic

#5666D2 #D25666 #66D256

tetradic

#5666D2 #D256A4 #D2C256 #56D284

square

#5666D2 #D256A4 #D2C256 #56D284

split-complementary

#5666D2 #D28456 #A4D256

monochromatic

#253189 #3143B9 #5666D2 #8692DF #B7BEEC

Accessibility & contrast

On white

4.97

#5666D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#5666D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5666D2

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5666D2	#FFFFFF	#000000	##FFFFFF
##5666D2	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2975D6

Deuteranopia (green-blind)

#056BD0

Tritanopia (blue-blind)

#007F92

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5666d2;
/* rgb */ color: rgb(86, 102, 210);
/* oklch */ color: oklch(55.4% 0.166 273.4);

Tailwind

colors: {
  custom: {
    50: '#9091e0',
    500: '#5666d2',
    950: '#000000',
  },
}

SCSS

$custom: #5666d2;
$custom-light: #9091e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5666d2",
  "rgb": {
    "r": 86,
    "g": 102,
    "b": 210
  },
  "hsl": {
    "h": 232.258,
    "s": 57.944,
    "l": 58.039
  },
  "oklch": {
    "l": 0.55445,
    "c": 0.16576,
    "h": 273.4
  },
  "luminance": 0.16134
}

Semantic roles & 50–950 ramp

primary

#5666D2

secondary

#DBD4A9

accent

#CD47E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5666D2

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

Preview Lab → · Contrast checker → · Palette generator →