#579EB5#579EB5

#579EB5 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.2% C 0.079 H 221.2°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#579EB5
RGB	rgb(87, 158, 181)
HSL	hsl(195, 39%, 53%)
HSV	hsv(195, 52%, 71%)
CMYK	cmyk(51.9%, 12.7%, 0%, 29%)
CIE-LAB	lab(61.49, -15.84, -18.79)
CIE-LCH	lch(61.49, 24.57, 229.87°)
OKLab	oklab(66.17% -0.0594 -0.052)
OKLCH	oklch(66.17% 0.079 221.2)
XYZ	xyz(24.4947, 29.8141, 48.1710)
Luminance	0.2982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EB5 #B56E57

analogous

#57B59D #579EB5 #576FB5

triadic

#579EB5 #B5579E #9EB557

tetradic

#579EB5 #9D57B5 #B56E57 #6FB557

square

#579EB5 #9D57B5 #B56E57 #6FB557

split-complementary

#579EB5 #B5576F #B59D57

monochromatic

#2D5765 #3F7C90 #579EB5 #81B7C8 #ACCFDA

Accessibility & contrast

On white

3.02

#579EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#579EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579EB5

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EB5	#FFFFFF	#000000	##000000
##579EB5	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909BB6

Deuteranopia (green-blind)

#8290B5

Tritanopia (blue-blind)

#1BA6A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579eb5;
/* rgb */ color: rgb(87, 158, 181);
/* oklch */ color: oklch(66.2% 0.079 221.2);

Tailwind

colors: {
  custom: {
    50: '#8dbacb',
    500: '#579eb5',
    950: '#000000',
  },
}

SCSS

$custom: #579eb5;
$custom-light: #8dbacb;
$custom-dark: #000000;

JSON

{
  "hex": "#579eb5",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 181
  },
  "hsl": {
    "h": 194.681,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.66174,
    "c": 0.07898,
    "h": 221.2
  },
  "luminance": 0.29816
}

Semantic roles & 50–950 ramp

primary

#579EB5

secondary

#C8A99F

accent

#7659CF

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579EB5

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

Preview Lab → · Contrast checker → · Palette generator →