#579FB3#579FB3

#579FB3 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.3% C 0.078 H 218.0°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#579FB3
RGB	rgb(87, 159, 179)
HSL	hsl(193, 38%, 52%)
HSV	hsv(193, 51%, 70%)
CMYK	cmyk(51.4%, 11.2%, 0%, 29.8%)
CIE-LAB	lab(61.72, -16.95, -17.32)
CIE-LCH	lch(61.72, 24.23, 225.62°)
OKLab	oklab(66.33% -0.0614 -0.0479)
OKLCH	oklch(66.33% 0.078 218)
XYZ	xyz(24.4622, 30.0751, 47.1551)
Luminance	0.3008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FB3 #B36B57

analogous

#57B399 #579FB3 #5771B3

triadic

#579FB3 #B3579F #9FB357

tetradic

#579FB3 #9957B3 #B36B57 #71B357

square

#579FB3 #9957B3 #B36B57 #71B357

split-complementary

#579FB3 #B35771 #B39957

monochromatic

#2D5763 #407C8D #579FB3 #81B7C6 #ABCFD9

Accessibility & contrast

On white

2.99

#579FB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#579FB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FB3

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FB3	#FFFFFF	#000000	##000000
##579FB3	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929BB4

Deuteranopia (green-blind)

#8491B3

Tritanopia (blue-blind)

#1DA6A5

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579fb3;
/* rgb */ color: rgb(87, 159, 179);
/* oklch */ color: oklch(66.3% 0.078 218.0);

Tailwind

colors: {
  custom: {
    50: '#8dbbc9',
    500: '#579fb3',
    950: '#000000',
  },
}

SCSS

$custom: #579fb3;
$custom-light: #8dbbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#579fb3",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 179
  },
  "hsl": {
    "h": 193.043,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66331,
    "c": 0.07787,
    "h": 218
  },
  "luminance": 0.30077
}

Semantic roles & 50–950 ramp

primary

#579FB3

secondary

#C7A89F

accent

#735ACE

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1213

muted

#7E8182

Preview Lab

Preview with #579FB3

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

Preview Lab → · Contrast checker → · Palette generator →