#3579A0#3579A0

#3579A0 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.0% C 0.091 H 236.9°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3579A0
RGB	rgb(53, 121, 160)
HSL	hsl(202, 50%, 42%)
HSV	hsv(202, 67%, 63%)
CMYK	cmyk(66.9%, 24.4%, 0%, 37.3%)
CIE-LAB	lab(48.22, -8.74, -27.26)
CIE-LCH	lch(48.22, 28.62, 252.23°)
OKLab	oklab(54.97% -0.0499 -0.0766)
OKLCH	oklch(54.97% 0.091 236.9)
XYZ	xyz(14.6483, 16.9682, 35.7541)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3579A0 #A05C35

analogous

#35A092 #3579A0 #3544A0

triadic

#3579A0 #A03579 #79A035

tetradic

#3579A0 #9235A0 #A05C35 #44A035

square

#3579A0 #9235A0 #A05C35 #44A035

split-complementary

#3579A0 #A03544 #A09235

monochromatic

#173344 #265672 #3579A0 #4E99C4 #7CB4D4

Accessibility & contrast

On white

4.78

#3579A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3579A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3579A0

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3579A0	#FFFFFF	#000000	##FFFFFF
##3579A0	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6778A2

Deuteranopia (green-blind)

#586E9F

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3579a0;
/* rgb */ color: rgb(53, 121, 160);
/* oklch */ color: oklch(55.0% 0.091 236.9);

Tailwind

colors: {
  custom: {
    50: '#789fbc',
    500: '#3579a0',
    950: '#000000',
  },
}

SCSS

$custom: #3579a0;
$custom-light: #789fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3579a0",
  "rgb": {
    "r": 53,
    "g": 121,
    "b": 160
  },
  "hsl": {
    "h": 201.869,
    "s": 50.235,
    "l": 41.765
  },
  "oklch": {
    "l": 0.54967,
    "c": 0.09137,
    "h": 236.9
  },
  "luminance": 0.1697
}

Semantic roles & 50–950 ramp

primary

#3579A0

secondary

#BC8F74

accent

#814EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3579A0

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

Preview Lab → · Contrast checker → · Palette generator →