#3573B4#3573B4

#3573B4 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.120 H 251.9°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3573B4
RGB	rgb(53, 115, 180)
HSL	hsl(211, 55%, 46%)
HSV	hsv(211, 71%, 71%)
CMYK	cmyk(70.6%, 36.1%, 0%, 29.4%)
CIE-LAB	lab(47.38, 1.93, -40.23)
CIE-LCH	lch(47.38, 40.28, 272.74°)
OKLab	oklab(54.62% -0.0374 -0.1143)
OKLCH	oklch(54.62% 0.12 251.9)
XYZ	xyz(15.8341, 16.3119, 45.4852)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573B4 #B47635

analogous

#35B2B4 #3573B4 #3735B4

triadic

#3573B4 #B43573 #73B435

tetradic

#3573B4 #B435B2 #B47635 #35B437

square

#3573B4 #B435B2 #B47635 #35B437

split-complementary

#3573B4 #B43735 #B2B435

monochromatic

#193755 #275585 #3573B4 #5892CE #88B1DC

Accessibility & contrast

On white

4.93

#3573B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3573B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573B4

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573B4	#FFFFFF	#000000	##FFFFFF
##3573B4	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5677B7

Deuteranopia (green-blind)

#436BB3

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3573b4;
/* rgb */ color: rgb(53, 115, 180);
/* oklch */ color: oklch(54.6% 0.120 251.9);

Tailwind

colors: {
  custom: {
    50: '#7b9acb',
    500: '#3573b4',
    950: '#000000',
  },
}

SCSS

$custom: #3573b4;
$custom-light: #7b9acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3573b4",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 180
  },
  "hsl": {
    "h": 210.709,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54623,
    "c": 0.12031,
    "h": 251.9
  },
  "luminance": 0.16314
}

Semantic roles & 50–950 ramp

primary

#3573B4

secondary

#C6A37F

accent

#964ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3573B4

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

Preview Lab → · Contrast checker → · Palette generator →