#579BBC#579BBC

#579BBC is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.8% C 0.085 H 231.0°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#579BBC
RGB	rgb(87, 155, 188)
HSL	hsl(200, 43%, 54%)
HSV	hsv(200, 54%, 74%)
CMYK	cmyk(53.7%, 17.6%, 0%, 26.3%)
CIE-LAB	lab(60.87, -12.14, -23.68)
CIE-LCH	lch(60.87, 26.61, 242.85°)
OKLab	oklab(65.76% -0.0533 -0.0659)
OKLCH	oklch(65.76% 0.085 231)
XYZ	xyz(24.7255, 29.0976, 51.8806)
Luminance	0.2910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BBC #BC7857

analogous

#57BCAB #579BBC #5769BC

triadic

#579BBC #BC579B #9BBC57

tetradic

#579BBC #AB57BC #BC7857 #69BC57

square

#579BBC #AB57BC #BC7857 #69BC57

split-complementary

#579BBC #BC5769 #BCAB57

monochromatic

#2C586D #3D7B99 #579BBC #83B5CD #AFCFDF

Accessibility & contrast

On white

3.08

#579BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#579BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BBC

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BBC	#FFFFFF	#000000	##000000
##579BBC	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B99BE

Deuteranopia (green-blind)

#7C8EBC

Tritanopia (blue-blind)

#0FA4A6

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #579bbc;
/* rgb */ color: rgb(87, 155, 188);
/* oklch */ color: oklch(65.8% 0.085 231.0);

Tailwind

colors: {
  custom: {
    50: '#8eb8d0',
    500: '#579bbc',
    950: '#000000',
  },
}

SCSS

$custom: #579bbc;
$custom-light: #8eb8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#579bbc",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 188
  },
  "hsl": {
    "h": 199.604,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.6576,
    "c": 0.08473,
    "h": 231
  },
  "luminance": 0.291
}

Semantic roles & 50–950 ramp

primary

#579BBC

secondary

#CDB0A2

accent

#7E55D3

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #579BBC

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

Preview Lab → · Contrast checker → · Palette generator →