#579BC4#579BC4

#579BC4 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.092 H 236.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#579BC4
RGB	rgb(87, 155, 196)
HSL	hsl(203, 48%, 55%)
HSV	hsv(203, 56%, 77%)
CMYK	cmyk(55.6%, 20.9%, 0%, 23.1%)
CIE-LAB	lab(61.18, -9.71, -27.70)
CIE-LCH	lch(61.18, 29.35, 250.67°)
OKLab	oklab(66.11% -0.0504 -0.0773)
OKLCH	oklch(66.11% 0.092 236.9)
XYZ	xyz(25.6119, 29.4522, 56.5490)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BC4 #C48057

analogous

#57C4B7 #579BC4 #5764C4

triadic

#579BC4 #C4579B #9BC457

tetradic

#579BC4 #B757C4 #C48057 #64C457

square

#579BC4 #B757C4 #C48057 #64C457

split-complementary

#579BC4 #C45764 #C4B757

monochromatic

#2A5A77 #3A7CA4 #579BC4 #84B6D4 #B2D1E4

Accessibility & contrast

On white

3.05

#579BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#579BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BC4

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BC4	#FFFFFF	#000000	##000000
##579BC4	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889AC6

Deuteranopia (green-blind)

#798FC3

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579bc4;
/* rgb */ color: rgb(87, 155, 196);
/* oklch */ color: oklch(66.1% 0.092 236.9);

Tailwind

colors: {
  custom: {
    50: '#8eb8d6',
    500: '#579bc4',
    950: '#000000',
  },
}

SCSS

$custom: #579bc4;
$custom-light: #8eb8d6;
$custom-dark: #000000;

JSON

{
  "hex": "#579bc4",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 196
  },
  "hsl": {
    "h": 202.569,
    "s": 48.018,
    "l": 55.49
  },
  "oklch": {
    "l": 0.6611,
    "c": 0.09229,
    "h": 236.9
  },
  "luminance": 0.29454
}

Semantic roles & 50–950 ramp

primary

#579BC4

secondary

#D2B6A5

accent

#8350D8

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #579BC4

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

Preview Lab → · Contrast checker → · Palette generator →