#579FDD#579FDD

#579FDD is a light, moderate cyan. Relative luminance 0.320; OKLCH L 68.2% C 0.117 H 246.6°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#579FDD
RGB	rgb(87, 159, 221)
HSL	hsl(208, 66%, 60%)
HSV	hsv(208, 61%, 87%)
CMYK	cmyk(60.6%, 28.1%, 0%, 13.3%)
CIE-LAB	lab(63.38, -4.09, -38.21)
CIE-LCH	lch(63.38, 38.43, 263.90°)
OKLab	oklab(68.19% -0.0466 -0.1076)
OKLCH	oklch(68.19% 0.117 246.6)
XYZ	xyz(29.3750, 32.0402, 73.0289)
Luminance	0.3204 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FDD #DD9557

analogous

#57DDD8 #579FDD #575CDD

triadic

#579FDD #DD579F #9FDD57

tetradic

#579FDD #D857DD #DD9557 #5CDD57

square

#579FDD #D857DD #DD9557 #5CDD57

split-complementary

#579FDD #DD575C #DDD857

monochromatic

#1F619A #2A82CD #579FDD #8ABCE7 #BDD9F2

Accessibility & contrast

On white

2.83

#579FDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#579FDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FDD

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FDD	#FFFFFF	#000000	##000000
##579FDD	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A1E0

Deuteranopia (green-blind)

#7294DC

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579fdd;
/* rgb */ color: rgb(87, 159, 221);
/* oklch */ color: oklch(68.2% 0.117 246.6);

Tailwind

colors: {
  custom: {
    50: '#91bbe8',
    500: '#579fdd',
    950: '#000000',
  },
}

SCSS

$custom: #579fdd;
$custom-light: #91bbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#579fdd",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 221
  },
  "hsl": {
    "h": 207.761,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.68193,
    "c": 0.11725,
    "h": 246.6
  },
  "luminance": 0.32043
}

Semantic roles & 50–950 ramp

primary

#579FDD

secondary

#E1C6AE

accent

#6C17CE

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579FDD

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

Preview Lab → · Contrast checker → · Palette generator →