#3677CC#3677CC

#3677CC is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 57.0% C 0.147 H 256.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX#3677CC
RGBrgb(54, 119, 204)
HSLhsl(214, 60%, 51%)
HSVhsv(214, 74%, 80%)
CMYKcmyk(73.5%, 41.7%, 0%, 20%)
CIE-LABlab(49.90, 8.37, -50.03)
CIE-LCHlch(49.90, 50.72, 279.50°)
OKLaboklab(57.03% -0.0348 -0.143)
OKLCHoklch(57.03% 0.147 256.3)
XYZxyz(19.0132, 18.3354, 59.6521)
Luminance0.1834 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3677CC #CC8B36
analogous
#36C2CC #3677CC #4036CC
triadic
#3677CC #CC3677 #77CC36
tetradic
#3677CC #CC36C2 #CC8B36 #36CC40
square
#3677CC #CC36C2 #CC8B36 #36CC40
split-complementary
#3677CC #CC4036 #C2CC36
monochromatic
#1B3E6C #285B9D #3677CC #6798D8 #98B9E5

Accessibility & contrast

On white

4.50
#3677CC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.67
#3677CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677CC
4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3677CC#FFFFFF#000000##000000
##3677CC1.004.504.674.67
#FFFFFF4.501.0021.0021.00
#0000004.6721.001.001.00
##0000004.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E7ECF
Deuteranopia (green-blind)
#3470CA
Tritanopia (blue-blind)
#008B97
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3677cc;
/* rgb */ color: rgb(54, 119, 204);
/* oklch */ color: oklch(57.0% 0.147 256.3);
Tailwind
colors: {
  custom: {
    50: '#809ddc',
    500: '#3677cc',
    950: '#000000',
  },
}
SCSS
$custom: #3677cc;
$custom-light: #809ddc;
$custom-dark: #000000;
JSON
{
  "hex": "#3677cc",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 214,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57027,
    "c": 0.14717,
    "h": 256.3
  },
  "luminance": 0.18338
}

Semantic roles & 50–950 ramp

primary
#3677CC
secondary
#D0B38E
accent
#9E45E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3677CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3677CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva