#3678C8#3678C8

#3678C8 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.141 H 254.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#3678C8
RGBrgb(54, 120, 200)
HSLhsl(213, 57%, 50%)
HSVhsv(213, 73%, 78%)
CMYKcmyk(73%, 40%, 0%, 21.6%)
CIE-LABlab(49.96, 6.28, -47.65)
CIE-LCHlch(49.96, 48.06, 277.51°)
OKLaboklab(57% -0.0366 -0.136)
OKLCHoklch(57% 0.141 254.9)
XYZxyz(18.6593, 18.3853, 57.1977)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3678C8 #C88636
analogous
#36C1C8 #3678C8 #3D36C8
triadic
#3678C8 #C83678 #78C836
tetradic
#3678C8 #C836C1 #C88636 #36C83D
square
#3678C8 #C836C1 #C88636 #36C83D
split-complementary
#3678C8 #C83D36 #C1C836
monochromatic
#1C3E68 #295B98 #3678C8 #6698D6 #96B9E3

Accessibility & contrast

On white

4.49
#3678C8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#3678C8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3678C8
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3678C8#FFFFFF#000000##000000
##3678C81.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#527ECB
Deuteranopia (green-blind)
#3B71C6
Tritanopia (blue-blind)
#008B96
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3678c8;
/* rgb */ color: rgb(54, 120, 200);
/* oklch */ color: oklch(57.0% 0.141 254.9);
Tailwind
colors: {
  custom: {
    50: '#7f9ed9',
    500: '#3678c8',
    950: '#000000',
  },
}
SCSS
$custom: #3678c8;
$custom-light: #7f9ed9;
$custom-dark: #000000;
JSON
{
  "hex": "#3678c8",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 212.877,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57,
    "c": 0.14083,
    "h": 254.9
  },
  "luminance": 0.18387
}

Semantic roles & 50–950 ramp

primary
#3678C8
secondary
#CEB08C
accent
#9B47E1
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E15
muted
#7C7E83

Preview Lab

Preview with #3678C8

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

Preview Lab → · Contrast checker → · Palette generator →

#3678C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva