#579BB8#579BB8

#579BB8 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.6% C 0.081 H 227.7°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#579BB8
RGB	rgb(87, 155, 184)
HSL	hsl(198, 41%, 53%)
HSV	hsv(198, 53%, 72%)
CMYK	cmyk(52.7%, 15.8%, 0%, 27.8%)
CIE-LAB	lab(60.72, -13.34, -21.66)
CIE-LCH	lch(60.72, 25.44, 238.38°)
OKLab	oklab(65.59% -0.0548 -0.0601)
OKLCH	oklch(65.59% 0.081 227.7)
XYZ	xyz(24.3003, 28.9275, 49.6411)
Luminance	0.2893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BB8 #B87457

analogous

#57B8A4 #579BB8 #576AB8

triadic

#579BB8 #B8579B #9BB857

tetradic

#579BB8 #A457B8 #B87457 #6AB857

square

#579BB8 #A457B8 #B87457 #6AB857

split-complementary

#579BB8 #B8576A #B8A457

monochromatic

#2C5668 #3E7A93 #579BB8 #82B5CA #ADCEDC

Accessibility & contrast

On white

3.09

#579BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#579BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BB8

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BB8	#FFFFFF	#000000	##000000
##579BB8	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)

#8C98BA

Deuteranopia (green-blind)

#7E8EB8

Tritanopia (blue-blind)

#17A3A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #579bb8;
/* rgb */ color: rgb(87, 155, 184);
/* oklch */ color: oklch(65.6% 0.081 227.7);

Tailwind

colors: {
  custom: {
    50: '#8db8cd',
    500: '#579bb8',
    950: '#000000',
  },
}

SCSS

$custom: #579bb8;
$custom-light: #8db8cd;
$custom-dark: #000000;

JSON

{
  "hex": "#579bb8",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 184
  },
  "hsl": {
    "h": 197.938,
    "s": 40.586,
    "l": 53.137
  },
  "oklch": {
    "l": 0.65591,
    "c": 0.08134,
    "h": 227.7
  },
  "luminance": 0.2893
}

Semantic roles & 50–950 ramp

primary

#579BB8

secondary

#CAADA0

accent

#7C57D0

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579BB8

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

Preview Lab → · Contrast checker → · Palette generator →