#5579C9#5579C9

#5579C9 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.130 H 264.5°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#5579C9
RGB	rgb(85, 121, 201)
HSL	hsl(221, 52%, 56%)
HSV	hsv(221, 58%, 79%)
CMYK	cmyk(57.7%, 39.8%, 0%, 21.2%)
CIE-LAB	lab(51.63, 11.33, -45.48)
CIE-LCH	lch(51.63, 46.87, 283.99°)
OKLab	oklab(58.68% -0.0125 -0.1291)
OKLCH	oklch(58.68% 0.13 264.5)
XYZ	xyz(21.1227, 19.8214, 57.9598)
Luminance	0.1982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5579C9 #C9A555

analogous

#55B3C9 #5579C9 #6B55C9

triadic

#5579C9 #C95579 #79C955

tetradic

#5579C9 #C955B3 #C9A555 #55C96B

square

#5579C9 #C955B3 #C9A555 #55C96B

split-complementary

#5579C9 #C96B55 #B3C955

monochromatic

#27427C #365AAB #5579C9 #839ED8 #B2C2E7

Accessibility & contrast

On white

4.23

#5579C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#5579C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5579C9

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5579C9	#FFFFFF	#000000	##000000
##5579C9	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5781CC

Deuteranopia (green-blind)

#4876C7

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5579c9;
/* rgb */ color: rgb(85, 121, 201);
/* oklch */ color: oklch(58.7% 0.130 264.5);

Tailwind

colors: {
  custom: {
    50: '#8e9fda',
    500: '#5579c9',
    950: '#000000',
  },
}

SCSS

$custom: #5579c9;
$custom-light: #8e9fda;
$custom-dark: #000000;

JSON

{
  "hex": "#5579c9",
  "rgb": {
    "r": 85,
    "g": 121,
    "b": 201
  },
  "hsl": {
    "h": 221.379,
    "s": 51.786,
    "l": 56.078
  },
  "oklch": {
    "l": 0.58683,
    "c": 0.12971,
    "h": 264.5
  },
  "luminance": 0.19823
}

Semantic roles & 50–950 ramp

primary

#5579C9

secondary

#D5C6A5

accent

#AF4DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5579C9

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

Preview Lab → · Contrast checker → · Palette generator →