#579BC3#579BC3

#579BC3 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.1% C 0.091 H 236.2°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#579BC3
RGB	rgb(87, 155, 195)
HSL	hsl(202, 47%, 55%)
HSV	hsv(202, 55%, 76%)
CMYK	cmyk(55.4%, 20.5%, 0%, 23.5%)
CIE-LAB	lab(61.14, -10.02, -27.20)
CIE-LCH	lch(61.14, 28.98, 249.77°)
OKLab	oklab(66.07% -0.0508 -0.0759)
OKLCH	oklch(66.07% 0.091 236.2)
XYZ	xyz(25.4985, 29.4068, 55.9515)
Luminance	0.2941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BC3 #C37F57

analogous

#57C3B5 #579BC3 #5765C3

triadic

#579BC3 #C3579B #9BC357

tetradic

#579BC3 #B557C3 #C37F57 #65C357

square

#579BC3 #B557C3 #C37F57 #65C357

split-complementary

#579BC3 #C35765 #C3B557

monochromatic

#2A5A76 #3A7CA3 #579BC3 #84B6D3 #B1D1E3

Accessibility & contrast

On white

3.05

#579BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#579BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BC3

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BC3	#FFFFFF	#000000	##000000
##579BC3	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889AC5

Deuteranopia (green-blind)

#798FC2

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579bc3;
/* rgb */ color: rgb(87, 155, 195);
/* oklch */ color: oklch(66.1% 0.091 236.2);

Tailwind

colors: {
  custom: {
    50: '#8eb8d5',
    500: '#579bc3',
    950: '#000000',
  },
}

SCSS

$custom: #579bc3;
$custom-light: #8eb8d5;
$custom-dark: #000000;

JSON

{
  "hex": "#579bc3",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 195
  },
  "hsl": {
    "h": 202.222,
    "s": 47.368,
    "l": 55.294
  },
  "oklch": {
    "l": 0.66066,
    "c": 0.0913,
    "h": 236.2
  },
  "luminance": 0.29409
}

Semantic roles & 50–950 ramp

primary

#579BC3

secondary

#D1B5A4

accent

#8351D7

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #579BC3

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

Preview Lab → · Contrast checker → · Palette generator →