#3573C9#3573C9

#3573C9 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.9% C 0.148 H 257.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#3573C9
RGBrgb(53, 115, 201)
HSLhsl(215, 58%, 50%)
HSVhsv(215, 74%, 79%)
CMYKcmyk(73.6%, 42.8%, 0%, 21.2%)
CIE-LABlab(48.55, 9.62, -50.47)
CIE-LCHlch(48.55, 51.38, 280.79°)
OKLaboklab(55.92% -0.0326 -0.1444)
OKLCHoklch(55.92% 0.148 257.3)
XYZxyz(18.1377, 17.2334, 57.6175)
Luminance0.1724 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3573C9 #C98B35
analogous
#35BDC9 #3573C9 #4135C9
triadic
#3573C9 #C93573 #73C935
tetradic
#3573C9 #C935BD #C98B35 #35C941
square
#3573C9 #C935BD #C98B35 #35C941
split-complementary
#3573C9 #C94135 #BDC935
monochromatic
#1B3C68 #285799 #3573C9 #6594D6 #95B6E3

Accessibility & contrast

On white

4.72
#3573C9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#3573C9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573C9
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3573C9#FFFFFF#000000##FFFFFF
##3573C91.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#497BCC
Deuteranopia (green-blind)
#2E6DC7
Tritanopia (blue-blind)
#008794
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3573c9;
/* rgb */ color: rgb(53, 115, 201);
/* oklch */ color: oklch(55.9% 0.148 257.3);
Tailwind
colors: {
  custom: {
    50: '#7f9ada',
    500: '#3573c9',
    950: '#000000',
  },
}
SCSS
$custom: #3573c9;
$custom-light: #7f9ada;
$custom-dark: #000000;
JSON
{
  "hex": "#3573c9",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 201
  },
  "hsl": {
    "h": 214.865,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55916,
    "c": 0.148,
    "h": 257.3
  },
  "luminance": 0.17235
}

Semantic roles & 50–950 ramp

primary
#3573C9
secondary
#CEB28B
accent
#A046E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0B0E15
muted
#7C7E83

Preview Lab

Preview with #3573C9

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

Preview Lab → · Contrast checker → · Palette generator →

#3573C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva