#5579EC#5579EC

#5579EC is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.9% C 0.178 H 267.8°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#5579EC
RGB	rgb(85, 121, 236)
HSL	hsl(226, 80%, 63%)
HSV	hsv(226, 64%, 93%)
CMYK	cmyk(64%, 48.7%, 0%, 7.5%)
CIE-LAB	lab(53.66, 23.12, -61.97)
CIE-LCH	lch(53.66, 66.15, 290.46°)
OKLab	oklab(60.89% -0.0069 -0.1776)
OKLCH	oklch(60.89% 0.178 267.8)
XYZ	xyz(25.7188, 21.6598, 82.1660)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5579EC #ECC855

analogous

#55C5EC #5579EC #7C55EC

triadic

#5579EC #EC5579 #79EC55

tetradic

#5579EC #EC55C5 #ECC855 #55EC7C

square

#5579EC #EC55C5 #ECC855 #55EC7C

split-complementary

#5579EC #EC7C55 #C5EC55

monochromatic

#143AB3 #1E4EE6 #5579EC #8CA4F2 #C3D0F8

Accessibility & contrast

On white

3.94

#5579EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#5579EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5579EC

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5579EC	#FFFFFF	#000000	##000000
##5579EC	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B87F0

Deuteranopia (green-blind)

#137AEA

Tritanopia (blue-blind)

#0094A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5579ec;
/* rgb */ color: rgb(85, 121, 236);
/* oklch */ color: oklch(60.9% 0.178 267.8);

Tailwind

colors: {
  custom: {
    50: '#939ff3',
    500: '#5579ec',
    950: '#000000',
  },
}

SCSS

$custom: #5579ec;
$custom-light: #939ff3;
$custom-dark: #000000;

JSON

{
  "hex": "#5579ec",
  "rgb": {
    "r": 85,
    "g": 121,
    "b": 236
  },
  "hsl": {
    "h": 225.695,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.60894,
    "c": 0.17769,
    "h": 267.8
  },
  "luminance": 0.21662
}

Semantic roles & 50–950 ramp

primary

#5579EC

secondary

#EADDB3

accent

#AA09DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5579EC

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

Preview Lab → · Contrast checker → · Palette generator →