#579EB3#579EB3

#579EB3 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.1% C 0.078 H 219.2°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#579EB3
RGB	rgb(87, 158, 179)
HSL	hsl(194, 38%, 52%)
HSV	hsv(194, 51%, 70%)
CMYK	cmyk(51.4%, 11.7%, 0%, 29.8%)
CIE-LAB	lab(61.42, -16.42, -17.77)
CIE-LCH	lch(61.42, 24.19, 227.26°)
OKLab	oklab(66.09% -0.0602 -0.0492)
OKLCH	oklch(66.09% 0.078 219.2)
XYZ	xyz(24.2909, 29.7326, 47.0980)
Luminance	0.2974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EB3 #B36C57

analogous

#57B39A #579EB3 #5770B3

triadic

#579EB3 #B3579E #9EB357

tetradic

#579EB3 #9A57B3 #B36C57 #70B357

square

#579EB3 #9A57B3 #B36C57 #70B357

split-complementary

#579EB3 #B35770 #B39A57

monochromatic

#2D5763 #407B8D #579EB3 #81B6C6 #ABCFD9

Accessibility & contrast

On white

3.02

#579EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#579EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579EB3

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EB3	#FFFFFF	#000000	##000000
##579EB3	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919AB4

Deuteranopia (green-blind)

#8390B3

Tritanopia (blue-blind)

#1EA5A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579eb3;
/* rgb */ color: rgb(87, 158, 179);
/* oklch */ color: oklch(66.1% 0.078 219.2);

Tailwind

colors: {
  custom: {
    50: '#8dbac9',
    500: '#579eb3',
    950: '#000000',
  },
}

SCSS

$custom: #579eb3;
$custom-light: #8dbac9;
$custom-dark: #000000;

JSON

{
  "hex": "#579eb3",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 179
  },
  "hsl": {
    "h": 193.696,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66094,
    "c": 0.07774,
    "h": 219.2
  },
  "luminance": 0.29735
}

Semantic roles & 50–950 ramp

primary

#579EB3

secondary

#C7A89F

accent

#755ACE

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579EB3

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

Preview Lab → · Contrast checker → · Palette generator →