#579BB7#579BB7

#579BB7 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.5% C 0.081 H 226.8°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#579BB7
RGB	rgb(87, 155, 183)
HSL	hsl(198, 40%, 53%)
HSV	hsv(198, 52%, 72%)
CMYK	cmyk(52.5%, 15.3%, 0%, 28.2%)
CIE-LAB	lab(60.68, -13.63, -21.15)
CIE-LCH	lch(60.68, 25.16, 237.20°)
OKLab	oklab(65.55% -0.0552 -0.0587)
OKLCH	oklch(65.55% 0.081 226.8)
XYZ	xyz(24.1959, 28.8858, 49.0910)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BB7 #B77357

analogous

#57B7A3 #579BB7 #576BB7

triadic

#579BB7 #B7579B #9BB757

tetradic

#579BB7 #A357B7 #B77357 #6BB757

square

#579BB7 #A357B7 #B77357 #6BB757

split-complementary

#579BB7 #B7576B #B7A357

monochromatic

#2C5667 #3F7A92 #579BB7 #82B4C9 #ADCEDC

Accessibility & contrast

On white

3.10

#579BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#579BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BB7

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BB7	#FFFFFF	#000000	##000000
##579BB7	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B8

Deuteranopia (green-blind)

#7E8EB7

Tritanopia (blue-blind)

#19A3A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #579bb7;
/* rgb */ color: rgb(87, 155, 183);
/* oklch */ color: oklch(65.5% 0.081 226.8);

Tailwind

colors: {
  custom: {
    50: '#8db8cc',
    500: '#579bb7',
    950: '#000000',
  },
}

SCSS

$custom: #579bb7;
$custom-light: #8db8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#579bb7",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 183
  },
  "hsl": {
    "h": 197.5,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.6555,
    "c": 0.08054,
    "h": 226.8
  },
  "luminance": 0.28888
}

Semantic roles & 50–950 ramp

primary

#579BB7

secondary

#CAACA0

accent

#7B58D0

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579BB7

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

Preview Lab → · Contrast checker → · Palette generator →