#579CB0#579CB0

#579CB0 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.5% C 0.076 H 218.7°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#579CB0
RGB	rgb(87, 156, 176)
HSL	hsl(193, 36%, 52%)
HSV	hsv(193, 51%, 69%)
CMYK	cmyk(50.6%, 11.4%, 0%, 31%)
CIE-LAB	lab(60.72, -16.21, -17.14)
CIE-LCH	lch(60.72, 23.59, 226.58°)
OKLab	oklab(65.5% -0.0591 -0.0474)
OKLCH	oklch(65.5% 0.076 218.7)
XYZ	xyz(23.6524, 28.9358, 45.4046)
Luminance	0.2894 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CB0 #B06B57

analogous

#57B098 #579CB0 #5770B0

triadic

#579CB0 #B0579C #9CB057

tetradic

#579CB0 #9857B0 #B06B57 #70B057

square

#579CB0 #9857B0 #B06B57 #70B057

split-complementary

#579CB0 #B05770 #B09857

monochromatic

#2D5460 #417989 #579CB0 #81B5C4 #AACDD7

Accessibility & contrast

On white

3.09

#579CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#579CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579CB0

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CB0	#FFFFFF	#000000	##000000
##579CB0	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F98B1

Deuteranopia (green-blind)

#828EB0

Tritanopia (blue-blind)

#23A3A2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #579cb0;
/* rgb */ color: rgb(87, 156, 176);
/* oklch */ color: oklch(65.5% 0.076 218.7);

Tailwind

colors: {
  custom: {
    50: '#8cb9c7',
    500: '#579cb0',
    950: '#000000',
  },
}

SCSS

$custom: #579cb0;
$custom-light: #8cb9c7;
$custom-dark: #000000;

JSON

{
  "hex": "#579cb0",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 176
  },
  "hsl": {
    "h": 193.483,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.65502,
    "c": 0.07572,
    "h": 218.7
  },
  "luminance": 0.28938
}

Semantic roles & 50–950 ramp

primary

#579CB0

secondary

#C5A79E

accent

#755CCC

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #579CB0

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

Preview Lab → · Contrast checker → · Palette generator →