#579DDD#579DDD

#579DDD is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.7% C 0.119 H 248.0°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#579DDD
RGB	rgb(87, 157, 221)
HSL	hsl(209, 66%, 60%)
HSV	hsv(209, 61%, 87%)
CMYK	cmyk(60.6%, 29%, 0%, 13.3%)
CIE-LAB	lab(62.81, -2.95, -39.10)
CIE-LCH	lch(62.81, 39.21, 265.68°)
OKLab	oklab(67.75% -0.0445 -0.1102)
OKLCH	oklch(67.75% 0.119 248)
XYZ	xyz(29.0338, 31.3579, 72.9152)
Luminance	0.3136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DDD #DD9757

analogous

#57DDDA #579DDD #575ADD

triadic

#579DDD #DD579D #9DDD57

tetradic

#579DDD #DA57DD #DD9757 #5ADD57

square

#579DDD #DA57DD #DD9757 #5ADD57

split-complementary

#579DDD #DD575A #DDDA57

monochromatic

#1F609A #2A7FCD #579DDD #8ABBE7 #BDD8F2

Accessibility & contrast

On white

2.89

#579DDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#579DDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DDD

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DDD	#FFFFFF	#000000	##000000
##579DDD	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819FE0

Deuteranopia (green-blind)

#6F92DC

Tritanopia (blue-blind)

#00ACB3

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579ddd;
/* rgb */ color: rgb(87, 157, 221);
/* oklch */ color: oklch(67.7% 0.119 248.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#579ddd",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 221
  },
  "hsl": {
    "h": 208.657,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.67746,
    "c": 0.11882,
    "h": 248
  },
  "luminance": 0.31361
}

Semantic roles & 50–950 ramp

primary

#579DDD

secondary

#E1C7AE

accent

#6F17CE

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579DDD

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

Preview Lab → · Contrast checker → · Palette generator →