#5866CF#5866CF

#5866CF is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.161 H 274.2°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#5866CF
RGB	rgb(88, 102, 207)
HSL	hsl(233, 55%, 58%)
HSV	hsv(233, 57%, 81%)
CMYK	cmyk(57.5%, 50.7%, 0%, 18.8%)
CIE-LAB	lab(47.08, 25.67, -56.18)
CIE-LCH	lch(47.08, 61.76, 294.56°)
OKLab	oklab(55.36% 0.0118 -0.1607)
OKLCH	oklch(55.36% 0.161 274.2)
XYZ	xyz(20.0347, 16.0810, 61.0676)
Luminance	0.1608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866CF #CFC158

analogous

#58A2CF #5866CF #8558CF

triadic

#5866CF #CF5866 #66CF58

tetradic

#5866CF #CF58A2 #CFC158 #58CF85

square

#5866CF #CF58A2 #CFC158 #58CF85

split-complementary

#5866CF #CF8558 #A2CF58

monochromatic

#273286 #3443B6 #5866CF #8892DD #B7BDEA

Accessibility & contrast

On white

4.98

#5866CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#5866CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5866CF

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866CF	#FFFFFF	#000000	##FFFFFF
##5866CF	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E75D3

Deuteranopia (green-blind)

#166BCD

Tritanopia (blue-blind)

#037E91

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5866cf;
/* rgb */ color: rgb(88, 102, 207);
/* oklch */ color: oklch(55.4% 0.161 274.2);

Tailwind

colors: {
  custom: {
    50: '#9191de',
    500: '#5866cf',
    950: '#000000',
  },
}

SCSS

$custom: #5866cf;
$custom-light: #9191de;
$custom-dark: #000000;

JSON

{
  "hex": "#5866cf",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 207
  },
  "hsl": {
    "h": 232.941,
    "s": 55.349,
    "l": 57.843
  },
  "oklch": {
    "l": 0.55365,
    "c": 0.16109,
    "h": 274.2
  },
  "luminance": 0.16082
}

Semantic roles & 50–950 ramp

primary

#5866CF

secondary

#D9D4AA

accent

#CD49DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5866CF

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

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