#579BD0#579BD0

#579BD0 is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.7% C 0.105 H 243.8°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#579BD0
RGB	rgb(87, 155, 208)
HSL	hsl(206, 56%, 58%)
HSV	hsv(206, 58%, 82%)
CMYK	cmyk(58.2%, 25.5%, 0%, 18.4%)
CIE-LAB	lab(61.67, -5.98, -33.65)
CIE-LCH	lch(61.67, 34.17, 259.93°)
OKLab	oklab(66.66% -0.0464 -0.0944)
OKLCH	oklch(66.66% 0.105 243.8)
XYZ	xyz(27.0328, 30.0205, 64.0322)
Luminance	0.3002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BD0 #D08C57

analogous

#57D0C8 #579BD0 #575ED0

triadic

#579BD0 #D0579B #9BD057

tetradic

#579BD0 #C857D0 #D08C57 #5ED057

square

#579BD0 #C857D0 #D08C57 #5ED057

split-complementary

#579BD0 #D0575E #D0C857

monochromatic

#265C87 #337DB7 #579BD0 #87B7DD #B7D4EB

Accessibility & contrast

On white

3.00

#579BD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#579BD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BD0

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BD0	#FFFFFF	#000000	##000000
##579BD0	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849CD2

Deuteranopia (green-blind)

#7490CF

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579bd0;
/* rgb */ color: rgb(87, 155, 208);
/* oklch */ color: oklch(66.7% 0.105 243.8);

Tailwind

colors: {
  custom: {
    50: '#90b8de',
    500: '#579bd0',
    950: '#000000',
  },
}

SCSS

$custom: #579bd0;
$custom-light: #90b8de;
$custom-dark: #000000;

JSON

{
  "hex": "#579bd0",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 208
  },
  "hsl": {
    "h": 206.281,
    "s": 56.279,
    "l": 57.843
  },
  "oklch": {
    "l": 0.66663,
    "c": 0.10517,
    "h": 243.8
  },
  "luminance": 0.30023
}

Semantic roles & 50–950 ramp

primary

#579BD0

secondary

#DABEA9

accent

#8B48E0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579BD0

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

Preview Lab → · Contrast checker → · Palette generator →