#3573BE#3573BE

#3573BE is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.2% C 0.133 H 254.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3573BE
RGB	rgb(53, 115, 190)
HSL	hsl(213, 56%, 48%)
HSV	hsv(213, 72%, 75%)
CMYK	cmyk(72.1%, 39.5%, 0%, 25.5%)
CIE-LAB	lab(47.92, 5.57, -45.16)
CIE-LCH	lch(47.92, 45.50, 277.03°)
OKLab	oklab(55.22% -0.0349 -0.1288)
OKLCH	oklch(55.22% 0.133 254.8)
XYZ	xyz(16.8898, 16.7342, 51.0451)
Luminance	0.1674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573BE #BE8035

analogous

#35B7BE #3573BE #3C35BE

triadic

#3573BE #BE3573 #73BE35

tetradic

#3573BE #BE35B7 #BE8035 #35BE3C

square

#3573BE #BE35B7 #BE8035 #35BE3C

split-complementary

#3573BE #BE3C35 #B7BE35

monochromatic

#1A395E #28568E #3573BE #5E93D2 #8EB3DF

Accessibility & contrast

On white

4.83

#3573BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3573BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573BE

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573BE	#FFFFFF	#000000	##FFFFFF
##3573BE	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5079C1

Deuteranopia (green-blind)

#3B6CBC

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3573be;
/* rgb */ color: rgb(53, 115, 190);
/* oklch */ color: oklch(55.2% 0.133 254.8);

Tailwind

colors: {
  custom: {
    50: '#7d9ad2',
    500: '#3573be',
    950: '#000000',
  },
}

SCSS

$custom: #3573be;
$custom-light: #7d9ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3573be",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 190
  },
  "hsl": {
    "h": 212.847,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55223,
    "c": 0.13342,
    "h": 254.8
  },
  "luminance": 0.16736
}

Semantic roles & 50–950 ramp

primary

#3573BE

secondary

#CAAB85

accent

#9B48E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3573BE

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

Preview Lab → · Contrast checker → · Palette generator →