#3573BA#3573BA

#3573BA is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.128 H 253.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3573BA
RGB	rgb(53, 115, 186)
HSL	hsl(212, 56%, 47%)
HSV	hsv(212, 72%, 73%)
CMYK	cmyk(71.5%, 38.2%, 0%, 27.1%)
CIE-LAB	lab(47.70, 4.11, -43.20)
CIE-LCH	lch(47.70, 43.39, 275.43°)
OKLab	oklab(54.98% -0.0359 -0.123)
OKLCH	oklch(54.98% 0.128 253.7)
XYZ	xyz(16.4586, 16.5617, 48.7742)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573BA #BA7C35

analogous

#35B6BA #3573BA #3935BA

triadic

#3573BA #BA3573 #73BA35

tetradic

#3573BA #BA35B6 #BA7C35 #35BA39

square

#3573BA #BA35B6 #BA7C35 #35BA39

split-complementary

#3573BA #BA3935 #B6BA35

monochromatic

#1A385B #27568A #3573BA #5C92D0 #8BB2DE

Accessibility & contrast

On white

4.87

#3573BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3573BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573BA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573BA	#FFFFFF	#000000	##FFFFFF
##3573BA	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BD

Deuteranopia (green-blind)

#3E6CB9

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3573ba;
/* rgb */ color: rgb(53, 115, 186);
/* oklch */ color: oklch(55.0% 0.128 253.7);

Tailwind

colors: {
  custom: {
    50: '#7c9acf',
    500: '#3573ba',
    950: '#000000',
  },
}

SCSS

$custom: #3573ba;
$custom-light: #7c9acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3573ba",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 186
  },
  "hsl": {
    "h": 212.03,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5498,
    "c": 0.12815,
    "h": 253.7
  },
  "luminance": 0.16564
}

Semantic roles & 50–950 ramp

primary

#3573BA

secondary

#C8A882

accent

#9949DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3573BA

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

Preview Lab → · Contrast checker → · Palette generator →