#3577AC#3577AC

#3577AC is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.1% C 0.107 H 245.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3577AC
RGB	rgb(53, 119, 172)
HSL	hsl(207, 53%, 44%)
HSV	hsv(207, 69%, 67%)
CMYK	cmyk(69.2%, 30.8%, 0%, 32.5%)
CIE-LAB	lab(48.17, -3.37, -34.34)
CIE-LCH	lch(48.17, 34.50, 264.40°)
OKLab	oklab(55.11% -0.0438 -0.0971)
OKLCH	oklch(55.11% 0.107 245.7)
XYZ	xyz(15.5086, 16.9274, 41.4717)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577AC #AC6A35

analogous

#35ACA6 #3577AC #353BAC

triadic

#3577AC #AC3577 #77AC35

tetradic

#3577AC #A635AC #AC6A35 #3BAC35

square

#3577AC #A635AC #AC6A35 #3BAC35

split-complementary

#3577AC #AC353B #ACA635

monochromatic

#18364E #27577D #3577AC #5496CA #83B2D9

Accessibility & contrast

On white

4.79

#3577AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3577AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577AC

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577AC	#FFFFFF	#000000	##FFFFFF
##3577AC	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F79AE

Deuteranopia (green-blind)

#4F6DAB

Tritanopia (blue-blind)

#00848A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3577ac;
/* rgb */ color: rgb(53, 119, 172);
/* oklch */ color: oklch(55.1% 0.107 245.7);

Tailwind

colors: {
  custom: {
    50: '#7a9ec5',
    500: '#3577ac',
    950: '#000000',
  },
}

SCSS

$custom: #3577ac;
$custom-light: #7a9ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3577ac",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 172
  },
  "hsl": {
    "h": 206.723,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55109,
    "c": 0.10651,
    "h": 245.7
  },
  "luminance": 0.16929
}

Semantic roles & 50–950 ramp

primary

#3577AC

secondary

#C29A7B

accent

#8C4CDC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3577AC

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

Preview Lab → · Contrast checker → · Palette generator →