#3573BD#3573BD

#3573BD is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.2% C 0.132 H 254.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3573BD
RGB	rgb(53, 115, 189)
HSL	hsl(213, 56%, 47%)
HSV	hsv(213, 72%, 74%)
CMYK	cmyk(72%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(47.87, 5.21, -44.67)
CIE-LCH	lch(47.87, 44.97, 276.65°)
OKLab	oklab(55.16% -0.0352 -0.1273)
OKLCH	oklch(55.16% 0.132 254.6)
XYZ	xyz(16.7809, 16.6906, 50.4715)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573BD #BD7F35

analogous

#35B7BD #3573BD #3B35BD

triadic

#3573BD #BD3573 #73BD35

tetradic

#3573BD #BD35B7 #BD7F35 #35BD3B

square

#3573BD #BD35B7 #BD7F35 #35BD3B

split-complementary

#3573BD #BD3B35 #B7BD35

monochromatic

#1A395D #28568D #3573BD #5D92D2 #8DB3DF

Accessibility & contrast

On white

4.84

#3573BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3573BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573BD

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573BD	#FFFFFF	#000000	##FFFFFF
##3573BD	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178C0

Deuteranopia (green-blind)

#3C6CBC

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3573bd;
/* rgb */ color: rgb(53, 115, 189);
/* oklch */ color: oklch(55.2% 0.132 254.6);

Tailwind

colors: {
  custom: {
    50: '#7d9ad1',
    500: '#3573bd',
    950: '#000000',
  },
}

SCSS

$custom: #3573bd;
$custom-light: #7d9ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3573bd",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 212.647,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55162,
    "c": 0.1321,
    "h": 254.6
  },
  "luminance": 0.16692
}

Semantic roles & 50–950 ramp

primary

#3573BD

secondary

#CAAA84

accent

#9B48DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3573BD

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

Preview Lab → · Contrast checker → · Palette generator →