#579DB4#579DB4

#579DB4 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.9% C 0.078 H 221.5°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#579DB4
RGB	rgb(87, 157, 180)
HSL	hsl(195, 38%, 52%)
HSV	hsv(195, 52%, 71%)
CMYK	cmyk(51.7%, 12.8%, 0%, 29.4%)
CIE-LAB	lab(61.16, -15.59, -18.73)
CIE-LCH	lch(61.16, 24.37, 230.22°)
OKLab	oklab(65.9% -0.0587 -0.0518)
OKLCH	oklch(65.9% 0.078 221.5)
XYZ	xyz(24.2225, 29.4334, 47.5759)
Luminance	0.2944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DB4 #B46E57

analogous

#57B49D #579DB4 #576EB4

triadic

#579DB4 #B4579D #9DB457

tetradic

#579DB4 #9D57B4 #B46E57 #6EB457

square

#579DB4 #9D57B4 #B46E57 #6EB457

split-complementary

#579DB4 #B4576E #B49D57

monochromatic

#2D5664 #407B8E #579DB4 #81B6C7 #ACCEDA

Accessibility & contrast

On white

3.05

#579DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#579DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579DB4

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DB4	#FFFFFF	#000000	##000000
##579DB4	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9AB5

Deuteranopia (green-blind)

#818FB4

Tritanopia (blue-blind)

#1DA4A4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579db4;
/* rgb */ color: rgb(87, 157, 180);
/* oklch */ color: oklch(65.9% 0.078 221.5);

Tailwind

colors: {
  custom: {
    50: '#8dbaca',
    500: '#579db4',
    950: '#000000',
  },
}

SCSS

$custom: #579db4;
$custom-light: #8dbaca;
$custom-dark: #000000;

JSON

{
  "hex": "#579db4",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 180
  },
  "hsl": {
    "h": 194.839,
    "s": 38.272,
    "l": 52.353
  },
  "oklch": {
    "l": 0.65898,
    "c": 0.07829,
    "h": 221.5
  },
  "luminance": 0.29435
}

Semantic roles & 50–950 ramp

primary

#579DB4

secondary

#C8A99F

accent

#765ACE

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579DB4

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

Preview Lab → · Contrast checker → · Palette generator →