#3879CF#3879CF

#3879CF is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.7% C 0.148 H 256.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#3879CF
RGBrgb(56, 121, 207)
HSLhsl(214, 61%, 52%)
HSVhsv(214, 73%, 81%)
CMYKcmyk(72.9%, 41.5%, 0%, 18.8%)
CIE-LABlab(50.71, 8.50, -50.44)
CIE-LCHlch(50.71, 51.15, 279.56°)
OKLaboklab(57.73% -0.0347 -0.1441)
OKLCHoklch(57.73% 0.148 256.5)
XYZxyz(19.7266, 19.0183, 61.6506)
Luminance0.1902 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3879CF #CF8E38
analogous
#38C5CF #3879CF #4338CF
triadic
#3879CF #CF3879 #79CF38
tetradic
#3879CF #CF38C5 #CF8E38 #38CF43
square
#3879CF #CF38C5 #CF8E38 #38CF43
split-complementary
#3879CF #CF4338 #C5CF38
monochromatic
#1B4071 #275CA3 #3879CF #699ADB #9BBBE7

Accessibility & contrast

On white

4.37
#3879CF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#3879CF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879CF
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3879CF#FFFFFF#000000##000000
##3879CF1.004.374.804.80
#FFFFFF4.371.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5080D2
Deuteranopia (green-blind)
#3672CD
Tritanopia (blue-blind)
#008D9A
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #3879cf;
/* rgb */ color: rgb(56, 121, 207);
/* oklch */ color: oklch(57.7% 0.148 256.5);
Tailwind
colors: {
  custom: {
    50: '#829fde',
    500: '#3879cf',
    950: '#000000',
  },
}
SCSS
$custom: #3879cf;
$custom-light: #829fde;
$custom-dark: #000000;
JSON
{
  "hex": "#3879cf",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 207
  },
  "hsl": {
    "h": 214.172,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57729,
    "c": 0.14826,
    "h": 256.5
  },
  "luminance": 0.1902
}

Semantic roles & 50–950 ramp

primary
#3879CF
secondary
#D3B690
accent
#9F44E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3879CF

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

Preview Lab → · Contrast checker → · Palette generator →

#3879CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva