#579CDE#579CDE

#579CDE is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.6% C 0.121 H 249.1°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#579CDE
RGB	rgb(87, 156, 222)
HSL	hsl(209, 67%, 61%)
HSV	hsv(209, 61%, 87%)
CMYK	cmyk(60.8%, 29.7%, 0%, 12.9%)
CIE-LAB	lab(62.57, -2.06, -40.03)
CIE-LCH	lch(62.57, 40.08, 267.05°)
OKLab	oklab(67.57% -0.0431 -0.1129)
OKLCH	oklch(67.57% 0.121 249.1)
XYZ	xyz(28.9989, 31.0744, 73.5628)
Luminance	0.3108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CDE #DE9957

analogous

#57DEDC #579CDE #5758DE

triadic

#579CDE #DE579C #9CDE57

tetradic

#579CDE #DC57DE #DE9957 #58DE57

square

#579CDE #DC57DE #DE9957 #58DE57

split-complementary

#579CDE #DE5758 #DEDC57

monochromatic

#1F5F9C #297ECF #579CDE #8ABAE8 #BDD8F2

Accessibility & contrast

On white

2.91

#579CDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#579CDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CDE

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CDE	#FFFFFF	#000000	##000000
##579CDE	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809FE1

Deuteranopia (green-blind)

#6E91DD

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579cde;
/* rgb */ color: rgb(87, 156, 222);
/* oklch */ color: oklch(67.6% 0.121 249.1);

Tailwind

colors: {
  custom: {
    50: '#91b9e8',
    500: '#579cde',
    950: '#000000',
  },
}

SCSS

$custom: #579cde;
$custom-light: #91b9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#579cde",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 222
  },
  "hsl": {
    "h": 209.333,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67573,
    "c": 0.12084,
    "h": 249.1
  },
  "luminance": 0.31077
}

Semantic roles & 50–950 ramp

primary

#579CDE

secondary

#E2C8AF

accent

#7116CF

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579CDE

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

Preview Lab → · Contrast checker → · Palette generator →