#3675B8#3675B8

#3675B8 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.123 H 252.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#3675B8
RGBrgb(54, 117, 184)
HSLhsl(211, 55%, 47%)
HSVhsv(211, 71%, 72%)
CMYKcmyk(70.7%, 36.4%, 0%, 27.8%)
CIE-LABlab(48.22, 2.30, -41.22)
CIE-LCHlch(48.22, 41.29, 273.20°)
OKLaboklab(55.36% -0.0377 -0.1172)
OKLCHoklch(55.36% 0.123 252.2)
XYZxyz(16.5311, 16.9658, 47.7416)
Luminance0.1697 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3675B8 #B87936
analogous
#36B6B8 #3675B8 #3836B8
triadic
#3675B8 #B83675 #75B836
tetradic
#3675B8 #B836B6 #B87936 #36B838
square
#3675B8 #B836B6 #B87936 #36B838
split-complementary
#3675B8 #B83836 #B6B836
monochromatic
#1A3959 #285789 #3675B8 #5C94CF #8BB3DD

Accessibility & contrast

On white

4.78
#3675B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.39
#3675B8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3675B8
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3675B8#FFFFFF#000000##FFFFFF
##3675B81.004.784.394.78
#FFFFFF4.781.0021.001.00
#0000004.3921.001.0021.00
##FFFFFF4.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5779BB
Deuteranopia (green-blind)
#446DB7
Tritanopia (blue-blind)
#00858E
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #3675b8;
/* rgb */ color: rgb(54, 117, 184);
/* oklch */ color: oklch(55.4% 0.123 252.2);
Tailwind
colors: {
  custom: {
    50: '#7c9ccd',
    500: '#3675b8',
    950: '#000000',
  },
}
SCSS
$custom: #3675b8;
$custom-light: #7c9ccd;
$custom-dark: #000000;
JSON
{
  "hex": "#3675b8",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 184
  },
  "hsl": {
    "h": 210.923,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55356,
    "c": 0.12311,
    "h": 252.2
  },
  "luminance": 0.16968
}

Semantic roles & 50–950 ramp

primary
#3675B8
secondary
#C7A682
accent
#964ADE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3675B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3675B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva