#3675CB#3675CB

#3675CB is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.5% C 0.148 H 257.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#3675CB
RGBrgb(54, 117, 203)
HSLhsl(215, 59%, 50%)
HSVhsv(215, 73%, 80%)
CMYKcmyk(73.4%, 42.4%, 0%, 20.4%)
CIE-LABlab(49.27, 9.24, -50.46)
CIE-LCHlch(49.27, 51.30, 280.38°)
OKLaboklab(56.52% -0.0333 -0.1443)
OKLCHoklch(56.52% 0.148 257)
XYZxyz(18.6582, 17.8166, 58.9439)
Luminance0.1782 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3675CB #CB8C36
analogous
#36BFCB #3675CB #4236CB
triadic
#3675CB #CB3675 #75CB36
tetradic
#3675CB #CB36BF #CB8C36 #36CB42
square
#3675CB #CB36BF #CB8C36 #36CB42
split-complementary
#3675CB #CB4236 #BFCB36
monochromatic
#1C3D6B #28599C #3675CB #6796D8 #97B8E4

Accessibility & contrast

On white

4.60
#3675CB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.56
#3675CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3675CB
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3675CB#FFFFFF#000000##FFFFFF
##3675CB1.004.604.564.60
#FFFFFF4.601.0021.001.00
#0000004.5621.001.0021.00
##FFFFFF4.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B7DCE
Deuteranopia (green-blind)
#316FC9
Tritanopia (blue-blind)
#008996
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #3675cb;
/* rgb */ color: rgb(54, 117, 203);
/* oklch */ color: oklch(56.5% 0.148 257.0);
Tailwind
colors: {
  custom: {
    50: '#809cdb',
    500: '#3675cb',
    950: '#000000',
  },
}
SCSS
$custom: #3675cb;
$custom-light: #809cdb;
$custom-dark: #000000;
JSON
{
  "hex": "#3675cb",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 214.631,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56522,
    "c": 0.14807,
    "h": 257
  },
  "luminance": 0.17819
}

Semantic roles & 50–950 ramp

primary
#3675CB
secondary
#D0B48D
accent
#A046E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3675CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3675CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva