#579BB3#579BB3

#579BB3 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.4% C 0.078 H 223.0°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#579BB3
RGB	rgb(87, 155, 179)
HSL	hsl(196, 38%, 52%)
HSV	hsv(196, 51%, 70%)
CMYK	cmyk(51.4%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(60.54, -14.81, -19.12)
CIE-LCH	lch(60.54, 24.18, 232.24°)
OKLab	oklab(65.39% -0.0567 -0.0529)
OKLCH	oklch(65.39% 0.078 223)
XYZ	xyz(23.7854, 28.7216, 46.9295)
Luminance	0.2872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BB3 #B36F57

analogous

#57B39D #579BB3 #576DB3

triadic

#579BB3 #B3579B #9BB357

tetradic

#579BB3 #9D57B3 #B36F57 #6DB357

square

#579BB3 #9D57B3 #B36F57 #6DB357

split-complementary

#579BB3 #B3576D #B39D57

monochromatic

#2D5563 #40798D #579BB3 #81B4C6 #ABCDD9

Accessibility & contrast

On white

3.11

#579BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#579BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BB3

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BB3	#FFFFFF	#000000	##000000
##579BB3	1.00	3.11	6.74	6.74
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B4

Deuteranopia (green-blind)

#808EB3

Tritanopia (blue-blind)

#1FA3A3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #579bb3;
/* rgb */ color: rgb(87, 155, 179);
/* oklch */ color: oklch(65.4% 0.078 223.0);

Tailwind

colors: {
  custom: {
    50: '#8db8c9',
    500: '#579bb3',
    950: '#000000',
  },
}

SCSS

$custom: #579bb3;
$custom-light: #8db8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#579bb3",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 195.652,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65386,
    "c": 0.07758,
    "h": 223
  },
  "luminance": 0.28724
}

Semantic roles & 50–950 ramp

primary

#579BB3

secondary

#C7A99F

accent

#785ACE

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579BB3

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

Preview Lab → · Contrast checker → · Palette generator →