#5666F2#5666F2

#5666F2 is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 57.8% C 0.208 H 273.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#5666F2
RGB	rgb(86, 102, 242)
HSL	hsl(234, 86%, 64%)
HSV	hsv(234, 64%, 95%)
CMYK	cmyk(64.5%, 57.9%, 0%, 5.1%)
CIE-LAB	lab(49.36, 36.95, -72.28)
CIE-LCH	lch(49.36, 81.18, 297.08°)
OKLab	oklab(57.8% 0.0111 -0.2081)
OKLCH	oklch(57.8% 0.208 273.1)
XYZ	xyz(24.6108, 17.8898, 86.1433)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5666F2 #F2E256

analogous

#56B4F2 #5666F2 #9456F2

triadic

#5666F2 #F25666 #66F256

tetradic

#5666F2 #F256B4 #F2E256 #56F294

square

#5666F2 #F256B4 #F2E256 #56F294

split-complementary

#5666F2 #F29456 #B4F256

monochromatic

#0F21BF #1D33EE #5666F2 #8F99F6 #C8CDFB

Accessibility & contrast

On white

4.59

#5666F2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#5666F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5666F2

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5666F2	#FFFFFF	#000000	##FFFFFF
##5666F2	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CF7

Deuteranopia (green-blind)

#006FEF

Tritanopia (blue-blind)

#0088A2

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5666f2;
/* rgb */ color: rgb(86, 102, 242);
/* oklch */ color: oklch(57.8% 0.208 273.1);

Tailwind

colors: {
  custom: {
    50: '#9691f7',
    500: '#5666f2',
    950: '#000000',
  },
}

SCSS

$custom: #5666f2;
$custom-light: #9691f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5666f2",
  "rgb": {
    "r": 86,
    "g": 102,
    "b": 242
  },
  "hsl": {
    "h": 233.846,
    "s": 85.714,
    "l": 64.314
  },
  "oklch": {
    "l": 0.57802,
    "c": 0.20839,
    "h": 273.1
  },
  "luminance": 0.17892
}

Semantic roles & 50–950 ramp

primary

#5666F2

secondary

#EDE7B7

accent

#CB03E2

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5666F2

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

Preview Lab → · Contrast checker → · Palette generator →