#3579AC#3579AC

#3579AC is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.105 H 244.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3579AC
RGB	rgb(53, 121, 172)
HSL	hsl(206, 53%, 44%)
HSV	hsv(206, 69%, 67%)
CMYK	cmyk(69.2%, 29.7%, 0%, 32.5%)
CIE-LAB	lab(48.77, -4.56, -33.40)
CIE-LCH	lch(48.77, 33.70, 262.23°)
OKLab	oklab(55.58% -0.0458 -0.0943)
OKLCH	oklch(55.58% 0.105 244.1)
XYZ	xyz(15.7491, 17.4085, 41.5519)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3579AC #AC6835

analogous

#35ACA4 #3579AC #353EAC

triadic

#3579AC #AC3579 #79AC35

tetradic

#3579AC #A435AC #AC6835 #3EAC35

square

#3579AC #A435AC #AC6835 #3EAC35

split-complementary

#3579AC #AC353E #ACA435

monochromatic

#18374E #27587D #3579AC #5498CA #83B4D9

Accessibility & contrast

On white

4.69

#3579AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3579AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3579AC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3579AC	#FFFFFF	#000000	##FFFFFF
##3579AC	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAE

Deuteranopia (green-blind)

#526FAB

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3579ac;
/* rgb */ color: rgb(53, 121, 172);
/* oklch */ color: oklch(55.6% 0.105 244.1);

Tailwind

colors: {
  custom: {
    50: '#7a9fc5',
    500: '#3579ac',
    950: '#000000',
  },
}

SCSS

$custom: #3579ac;
$custom-light: #7a9fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3579ac",
  "rgb": {
    "r": 53,
    "g": 121,
    "b": 172
  },
  "hsl": {
    "h": 205.714,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55584,
    "c": 0.10487,
    "h": 244.1
  },
  "luminance": 0.1741
}

Semantic roles & 50–950 ramp

primary

#3579AC

secondary

#C2997B

accent

#8A4CDC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3579AC

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

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