#3577C0#3577C0

#3577C0 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.132 H 253.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3577C0
RGB	rgb(53, 119, 192)
HSL	hsl(212, 57%, 48%)
HSV	hsv(212, 72%, 75%)
CMYK	cmyk(72.4%, 38%, 0%, 24.7%)
CIE-LAB	lab(49.20, 3.84, -44.28)
CIE-LCH	lch(49.20, 44.45, 274.95°)
OKLab	oklab(56.25% -0.0382 -0.1261)
OKLCH	oklch(56.25% 0.132 253.1)
XYZ	xyz(17.5759, 17.7544, 52.3596)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577C0 #C07E35

analogous

#35BCC0 #3577C0 #3835C0

triadic

#3577C0 #C03577 #77C035

tetradic

#3577C0 #C035BC #C07E35 #35C038

square

#3577C0 #C035BC #C07E35 #35C038

split-complementary

#3577C0 #C03835 #BCC035

monochromatic

#1B3C60 #285990 #3577C0 #5F96D3 #8FB6E0

Accessibility & contrast

On white

4.61

#3577C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3577C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3577C0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577C0	#FFFFFF	#000000	##FFFFFF
##3577C0	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557CC3

Deuteranopia (green-blind)

#406FBF

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3577c0;
/* rgb */ color: rgb(53, 119, 192);
/* oklch */ color: oklch(56.3% 0.132 253.1);

Tailwind

colors: {
  custom: {
    50: '#7e9dd3',
    500: '#3577c0',
    950: '#000000',
  },
}

SCSS

$custom: #3577c0;
$custom-light: #7e9dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3577c0",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 192
  },
  "hsl": {
    "h": 211.511,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56252,
    "c": 0.1318,
    "h": 253.1
  },
  "luminance": 0.17756
}

Semantic roles & 50–950 ramp

primary

#3577C0

secondary

#CBAA86

accent

#9848E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3577C0

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

Preview Lab → · Contrast checker → · Palette generator →