#3879AF#3879AF

#3879AF is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.9% C 0.107 H 246.4°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#3879AF
RGBrgb(56, 121, 175)
HSLhsl(207, 52%, 45%)
HSVhsv(207, 68%, 69%)
CMYKcmyk(68%, 30.9%, 0%, 31.4%)
CIE-LABlab(49.02, -3.01, -34.74)
CIE-LCHlch(49.02, 34.87, 265.05°)
OKLaboklab(55.86% -0.0429 -0.0982)
OKLCHoklch(55.86% 0.107 246.4)
XYZxyz(16.2032, 17.6089, 43.0941)
Luminance0.1761 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3879AF #AF6E38
analogous
#38AFA9 #3879AF #383DAF
triadic
#3879AF #AF3879 #79AF38
tetradic
#3879AF #A938AF #AF6E38 #3DAF38
square
#3879AF #A938AF #AF6E38 #3DAF38
split-complementary
#3879AF #AF383D #AFA938
monochromatic
#1A3952 #295981 #3879AF #5A97CA #88B4D9

Accessibility & contrast

On white

4.64
#3879AF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.52
#3879AF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3879AF
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3879AF#FFFFFF#000000##FFFFFF
##3879AF1.004.644.524.64
#FFFFFF4.641.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#617BB1
Deuteranopia (green-blind)
#516FAE
Tritanopia (blue-blind)
#00868C
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #3879af;
/* rgb */ color: rgb(56, 121, 175);
/* oklch */ color: oklch(55.9% 0.107 246.4);
Tailwind
colors: {
  custom: {
    50: '#7c9fc7',
    500: '#3879af',
    950: '#000000',
  },
}
SCSS
$custom: #3879af;
$custom-light: #7c9fc7;
$custom-dark: #000000;
JSON
{
  "hex": "#3879af",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 175
  },
  "hsl": {
    "h": 207.227,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55856,
    "c": 0.10717,
    "h": 246.4
  },
  "luminance": 0.17611
}

Semantic roles & 50–950 ramp

primary
#3879AF
secondary
#C39E80
accent
#8D4DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3879AF

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

Preview Lab → · Contrast checker → · Palette generator →

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