#3573B9#3573B9

#3573B9 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.127 H 253.4°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#3573B9
RGBrgb(53, 115, 185)
HSLhsl(212, 55%, 47%)
HSVhsv(212, 71%, 73%)
CMYKcmyk(71.4%, 37.8%, 0%, 27.5%)
CIE-LABlab(47.65, 3.74, -42.70)
CIE-LCHlch(47.65, 42.87, 275.01°)
OKLaboklab(54.92% -0.0362 -0.1216)
OKLCHoklch(54.92% 0.127 253.4)
XYZxyz(16.3526, 16.5194, 48.2163)
Luminance0.1652 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3573B9 #B97B35
analogous
#35B5B9 #3573B9 #3935B9
triadic
#3573B9 #B93573 #73B935
tetradic
#3573B9 #B935B5 #B97B35 #35B939
square
#3573B9 #B935B5 #B97B35 #35B939
split-complementary
#3573B9 #B93935 #B5B935
monochromatic
#1A385A #275589 #3573B9 #5B92D0 #8BB2DE

Accessibility & contrast

On white

4.88
#3573B9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#3573B9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573B9
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3573B9#FFFFFF#000000##FFFFFF
##3573B91.004.884.304.88
#FFFFFF4.881.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5378BC
Deuteranopia (green-blind)
#3F6BB8
Tritanopia (blue-blind)
#00838D
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3573b9;
/* rgb */ color: rgb(53, 115, 185);
/* oklch */ color: oklch(54.9% 0.127 253.4);
Tailwind
colors: {
  custom: {
    50: '#7c9ace',
    500: '#3573b9',
    950: '#000000',
  },
}
SCSS
$custom: #3573b9;
$custom-light: #7c9ace;
$custom-dark: #000000;
JSON
{
  "hex": "#3573b9",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 185
  },
  "hsl": {
    "h": 211.818,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5492,
    "c": 0.12684,
    "h": 253.4
  },
  "luminance": 0.16521
}

Semantic roles & 50–950 ramp

primary
#3573B9
secondary
#C8A782
accent
#9849DF
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3573B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3573B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva