#579CB3#579CB3

#579CB3 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.6% C 0.078 H 221.8°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#579CB3
RGB	rgb(87, 156, 179)
HSL	hsl(195, 38%, 52%)
HSV	hsv(195, 51%, 70%)
CMYK	cmyk(51.4%, 12.8%, 0%, 29.8%)
CIE-LAB	lab(60.83, -15.35, -18.67)
CIE-LCH	lch(60.83, 24.17, 230.58°)
OKLab	oklab(65.62% -0.0579 -0.0517)
OKLCH	oklch(65.62% 0.078 221.8)
XYZ	xyz(23.9526, 29.0558, 46.9852)
Luminance	0.2906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CB3 #B36E57

analogous

#57B39C #579CB3 #576EB3

triadic

#579CB3 #B3579C #9CB357

tetradic

#579CB3 #9C57B3 #B36E57 #6EB357

square

#579CB3 #9C57B3 #B36E57 #6EB357

split-complementary

#579CB3 #B3576E #B39C57

monochromatic

#2D5563 #407A8D #579CB3 #81B5C6 #ABCED9

Accessibility & contrast

On white

3.08

#579CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#579CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579CB3

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CB3	#FFFFFF	#000000	##000000
##579CB3	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B4

Deuteranopia (green-blind)

#818EB3

Tritanopia (blue-blind)

#1FA3A3

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #579cb3;
/* rgb */ color: rgb(87, 156, 179);
/* oklch */ color: oklch(65.6% 0.078 221.8);

Tailwind

colors: {
  custom: {
    50: '#8db9c9',
    500: '#579cb3',
    950: '#000000',
  },
}

SCSS

$custom: #579cb3;
$custom-light: #8db9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#579cb3",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 179
  },
  "hsl": {
    "h": 195,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65621,
    "c": 0.0776,
    "h": 221.8
  },
  "luminance": 0.29058
}

Semantic roles & 50–950 ramp

primary

#579CB3

secondary

#C7A99F

accent

#775ACE

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579CB3

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

Preview Lab → · Contrast checker → · Palette generator →