#579BB1#579BB1

#579BB1 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.3% C 0.076 H 221.1°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#579BB1
RGB	rgb(87, 155, 177)
HSL	hsl(195, 37%, 52%)
HSV	hsv(195, 51%, 69%)
CMYK	cmyk(50.8%, 12.4%, 0%, 30.6%)
CIE-LAB	lab(60.46, -15.39, -18.10)
CIE-LCH	lch(60.46, 23.76, 229.62°)
OKLab	oklab(65.31% -0.0575 -0.0501)
OKLCH	oklch(65.31% 0.076 221.1)
XYZ	xyz(23.5846, 28.6413, 45.8719)
Luminance	0.2864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BB1 #B16D57

analogous

#57B19A #579BB1 #576EB1

triadic

#579BB1 #B1579B #9BB157

tetradic

#579BB1 #9A57B1 #B16D57 #6EB157

square

#579BB1 #9A57B1 #B16D57 #6EB157

split-complementary

#579BB1 #B1576E #B19A57

monochromatic

#2D5461 #40788A #579BB1 #81B4C4 #ABCDD8

Accessibility & contrast

On white

3.12

#579BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#579BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BB1

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BB1	#FFFFFF	#000000	##000000
##579BB1	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B2

Deuteranopia (green-blind)

#808DB1

Tritanopia (blue-blind)

#22A2A2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #579bb1;
/* rgb */ color: rgb(87, 155, 177);
/* oklch */ color: oklch(65.3% 0.076 221.1);

Tailwind

colors: {
  custom: {
    50: '#8db8c8',
    500: '#579bb1',
    950: '#000000',
  },
}

SCSS

$custom: #579bb1;
$custom-light: #8db8c8;
$custom-dark: #000000;

JSON

{
  "hex": "#579bb1",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 177
  },
  "hsl": {
    "h": 194.667,
    "s": 36.585,
    "l": 51.765
  },
  "oklch": {
    "l": 0.65305,
    "c": 0.07624,
    "h": 221.1
  },
  "luminance": 0.28643
}

Semantic roles & 50–950 ramp

primary

#579BB1

secondary

#C6A89E

accent

#775BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #579BB1

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

Preview Lab → · Contrast checker → · Palette generator →