#3573B5#3573B5

#3573B5 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.122 H 252.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3573B5
RGB	rgb(53, 115, 181)
HSL	hsl(211, 55%, 46%)
HSV	hsv(211, 71%, 71%)
CMYK	cmyk(70.7%, 36.5%, 0%, 29%)
CIE-LAB	lab(47.43, 2.29, -40.73)
CIE-LCH	lch(47.43, 40.79, 273.22°)
OKLab	oklab(54.68% -0.0372 -0.1158)
OKLCH	oklch(54.68% 0.122 252.2)
XYZ	xyz(15.9363, 16.3528, 46.0236)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573B5 #B57735

analogous

#35B3B5 #3573B5 #3735B5

triadic

#3573B5 #B53573 #73B535

tetradic

#3573B5 #B535B3 #B57735 #35B537

square

#3573B5 #B535B3 #B57735 #35B537

split-complementary

#3573B5 #B53735 #B3B535

monochromatic

#193756 #275586 #3573B5 #5992CE #88B1DC

Accessibility & contrast

On white

4.92

#3573B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3573B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573B5

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573B5	#FFFFFF	#000000	##FFFFFF
##3573B5	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5577B8

Deuteranopia (green-blind)

#426BB4

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3573b5;
/* rgb */ color: rgb(53, 115, 181);
/* oklch */ color: oklch(54.7% 0.122 252.2);

Tailwind

colors: {
  custom: {
    50: '#7b9acb',
    500: '#3573b5',
    950: '#000000',
  },
}

SCSS

$custom: #3573b5;
$custom-light: #7b9acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3573b5",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 181
  },
  "hsl": {
    "h": 210.938,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54682,
    "c": 0.12161,
    "h": 252.2
  },
  "luminance": 0.16355
}

Semantic roles & 50–950 ramp

primary

#3573B5

secondary

#C6A480

accent

#964ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3573B5

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

Preview Lab → · Contrast checker → · Palette generator →