#3573B7#3573B7

#3573B7 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.8% C 0.124 H 252.8°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3573B7
RGB	rgb(53, 115, 183)
HSL	hsl(211, 55%, 46%)
HSV	hsv(211, 71%, 72%)
CMYK	cmyk(71%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(47.54, 3.01, -41.72)
CIE-LCH	lch(47.54, 41.83, 274.13°)
OKLab	oklab(54.8% -0.0367 -0.1187)
OKLCH	oklch(54.8% 0.124 252.8)
XYZ	xyz(16.1430, 16.4355, 47.1122)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573B7 #B77935

analogous

#35B4B7 #3573B7 #3835B7

triadic

#3573B7 #B73573 #73B735

tetradic

#3573B7 #B735B4 #B77935 #35B738

square

#3573B7 #B735B4 #B77935 #35B738

split-complementary

#3573B7 #B73835 #B4B735

monochromatic

#1A3758 #275588 #3573B7 #5A92CF #89B1DD

Accessibility & contrast

On white

4.90

#3573B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3573B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573B7

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573B7	#FFFFFF	#000000	##FFFFFF
##3573B7	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5477BA

Deuteranopia (green-blind)

#416BB6

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3573b7;
/* rgb */ color: rgb(53, 115, 183);
/* oklch */ color: oklch(54.8% 0.124 252.8);

Tailwind

colors: {
  custom: {
    50: '#7c9acd',
    500: '#3573b7',
    950: '#000000',
  },
}

SCSS

$custom: #3573b7;
$custom-light: #7c9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3573b7",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 211.385,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.548,
    "c": 0.12422,
    "h": 252.8
  },
  "luminance": 0.16437
}

Semantic roles & 50–950 ramp

primary

#3573B7

secondary

#C7A681

accent

#9749DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3573B7

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

Preview Lab → · Contrast checker → · Palette generator →