#579BB4#579BB4

#579BB4 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.4% C 0.078 H 224.0°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#579BB4
RGB	rgb(87, 155, 180)
HSL	hsl(196, 38%, 52%)
HSV	hsv(196, 52%, 71%)
CMYK	cmyk(51.7%, 13.9%, 0%, 29.4%)
CIE-LAB	lab(60.57, -14.52, -19.63)
CIE-LCH	lch(60.57, 24.41, 233.51°)
OKLab	oklab(65.43% -0.0563 -0.0544)
OKLCH	oklch(65.43% 0.078 224)
XYZ	xyz(23.8869, 28.7622, 47.4640)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BB4 #B47057

analogous

#57B49F #579BB4 #576CB4

triadic

#579BB4 #B4579B #9BB457

tetradic

#579BB4 #9F57B4 #B47057 #6CB457

square

#579BB4 #9F57B4 #B47057 #6CB457

split-complementary

#579BB4 #B4576C #B49F57

monochromatic

#2D5564 #40798E #579BB4 #81B4C7 #ACCDDA

Accessibility & contrast

On white

3.11

#579BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#579BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BB4

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BB4	#FFFFFF	#000000	##000000
##579BB4	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B5

Deuteranopia (green-blind)

#7F8EB4

Tritanopia (blue-blind)

#1EA3A3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #579bb4;
/* rgb */ color: rgb(87, 155, 180);
/* oklch */ color: oklch(65.4% 0.078 224.0);

Tailwind

colors: {
  custom: {
    50: '#8db8ca',
    500: '#579bb4',
    950: '#000000',
  },
}

SCSS

$custom: #579bb4;
$custom-light: #8db8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#579bb4",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 180
  },
  "hsl": {
    "h": 196.129,
    "s": 38.272,
    "l": 52.353
  },
  "oklch": {
    "l": 0.65426,
    "c": 0.07829,
    "h": 224
  },
  "luminance": 0.28764
}

Semantic roles & 50–950 ramp

primary

#579BB4

secondary

#C8AA9F

accent

#795ACE

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579BB4

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

Preview Lab → · Contrast checker → · Palette generator →