#579CBC#579CBC

#579CBC is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.0% C 0.084 H 229.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#579CBC
RGB	rgb(87, 156, 188)
HSL	hsl(199, 43%, 54%)
HSV	hsv(199, 54%, 74%)
CMYK	cmyk(53.7%, 17%, 0%, 26.3%)
CIE-LAB	lab(61.16, -12.69, -23.23)
CIE-LCH	lch(61.16, 26.47, 241.35°)
OKLab	oklab(65.99% -0.0544 -0.0646)
OKLCH	oklch(65.99% 0.084 229.9)
XYZ	xyz(24.8926, 29.4319, 51.9363)
Luminance	0.2943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CBC #BC7757

analogous

#57BCAA #579CBC #576ABC

triadic

#579CBC #BC579C #9CBC57

tetradic

#579CBC #AA57BC #BC7757 #6ABC57

square

#579CBC #AA57BC #BC7757 #6ABC57

split-complementary

#579CBC #BC576A #BCAA57

monochromatic

#2C586D #3D7C99 #579CBC #83B6CD #AFD0DF

Accessibility & contrast

On white

3.05

#579CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#579CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579CBC

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CBC	#FFFFFF	#000000	##000000
##579CBC	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)

#8C9ABE

Deuteranopia (green-blind)

#7D8FBC

Tritanopia (blue-blind)

#0EA5A6

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579cbc;
/* rgb */ color: rgb(87, 156, 188);
/* oklch */ color: oklch(66.0% 0.084 229.9);

Tailwind

colors: {
  custom: {
    50: '#8eb9d0',
    500: '#579cbc',
    950: '#000000',
  },
}

SCSS

$custom: #579cbc;
$custom-light: #8eb9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#579cbc",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 188
  },
  "hsl": {
    "h": 199.01,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.65994,
    "c": 0.08447,
    "h": 229.9
  },
  "luminance": 0.29434
}

Semantic roles & 50–950 ramp

primary

#579CBC

secondary

#CDB0A2

accent

#7D55D3

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #579CBC

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

Preview Lab → · Contrast checker → · Palette generator →