#3577C1#3577C1

#3577C1 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.133 H 253.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3577C1
RGB	rgb(53, 119, 193)
HSL	hsl(212, 57%, 48%)
HSV	hsv(212, 73%, 76%)
CMYK	cmyk(72.5%, 38.3%, 0%, 24.3%)
CIE-LAB	lab(49.25, 4.20, -44.77)
CIE-LCH	lch(49.25, 44.97, 275.36°)
OKLab	oklab(56.31% -0.038 -0.1276)
OKLCH	oklch(56.31% 0.133 253.4)
XYZ	xyz(17.6871, 17.7988, 52.9451)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577C1 #C17F35

analogous

#35BDC1 #3577C1 #3935C1

triadic

#3577C1 #C13577 #77C135

tetradic

#3577C1 #C135BD #C17F35 #35C139

square

#3577C1 #C135BD #C17F35 #35C139

split-complementary

#3577C1 #C13935 #BDC135

monochromatic

#1B3C61 #285991 #3577C1 #6096D3 #90B6E0

Accessibility & contrast

On white

4.61

#3577C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3577C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3577C1

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577C1	#FFFFFF	#000000	##FFFFFF
##3577C1	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557CC4

Deuteranopia (green-blind)

#3F6FC0

Tritanopia (blue-blind)

#008893

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3577c1;
/* rgb */ color: rgb(53, 119, 193);
/* oklch */ color: oklch(56.3% 0.133 253.4);

Tailwind

colors: {
  custom: {
    50: '#7e9dd4',
    500: '#3577c1',
    950: '#000000',
  },
}

SCSS

$custom: #3577c1;
$custom-light: #7e9dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3577c1",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 193
  },
  "hsl": {
    "h": 211.714,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56313,
    "c": 0.1331,
    "h": 253.4
  },
  "luminance": 0.17801
}

Semantic roles & 50–950 ramp

primary

#3577C1

secondary

#CBAB87

accent

#9848E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3577C1

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

Preview Lab → · Contrast checker → · Palette generator →