#3573BC#3573BC

#3573BC is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.1% C 0.131 H 254.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3573BC
RGB	rgb(53, 115, 188)
HSL	hsl(212, 56%, 47%)
HSV	hsv(212, 72%, 74%)
CMYK	cmyk(71.8%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(47.81, 4.84, -44.18)
CIE-LCH	lch(47.81, 44.44, 276.25°)
OKLab	oklab(55.1% -0.0354 -0.1259)
OKLCH	oklch(55.1% 0.131 254.3)
XYZ	xyz(16.6727, 16.6474, 49.9018)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573BC #BC7E35

analogous

#35B7BC #3573BC #3A35BC

triadic

#3573BC #BC3573 #73BC35

tetradic

#3573BC #BC35B7 #BC7E35 #35BC3A

square

#3573BC #BC35B7 #BC7E35 #35BC3A

split-complementary

#3573BC #BC3A35 #B7BC35

monochromatic

#1A395D #28568C #3573BC #5D92D1 #8DB2DF

Accessibility & contrast

On white

4.85

#3573BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3573BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573BC

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573BC	#FFFFFF	#000000	##FFFFFF
##3573BC	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#3D6CBB

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3573bc;
/* rgb */ color: rgb(53, 115, 188);
/* oklch */ color: oklch(55.1% 0.131 254.3);

Tailwind

colors: {
  custom: {
    50: '#7d9ad0',
    500: '#3573bc',
    950: '#000000',
  },
}

SCSS

$custom: #3573bc;
$custom-light: #7d9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3573bc",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 212.444,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55101,
    "c": 0.13079,
    "h": 254.3
  },
  "luminance": 0.16649
}

Semantic roles & 50–950 ramp

primary

#3573BC

secondary

#C9A984

accent

#9A48DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3573BC

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

Preview Lab → · Contrast checker → · Palette generator →