#3166AD#3166AD

#3166AD is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.1% C 0.126 H 256.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#3166AD
RGBrgb(49, 102, 173)
HSLhsl(214, 56%, 44%)
HSVhsv(214, 72%, 68%)
CMYKcmyk(71.7%, 41%, 0%, 32.2%)
CIE-LABlab(43.02, 6.85, -43.08)
CIE-LCHlch(43.02, 43.62, 279.04°)
OKLaboklab(51.06% -0.0293 -0.1229)
OKLCHoklch(51.06% 0.126 256.6)
XYZxyz(13.5581, 13.1714, 41.3549)
Luminance0.1317 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3166AD #AD7831
analogous
#31A4AD #3166AD #3A31AD
triadic
#3166AD #AD3166 #66AD31
tetradic
#3166AD #AD31A4 #AD7831 #31AD3A
square
#3166AD #AD31A4 #AD7831 #31AD3A
split-complementary
#3166AD #AD3A31 #A4AD31
monochromatic
#162E4E #234A7D #3166AD #4E84CD #7EA5DA

Accessibility & contrast

On white

5.78
#3166AD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#3166AD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166AD
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3166AD#FFFFFF#000000##FFFFFF
##3166AD1.005.783.635.78
#FFFFFF5.781.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#456CB0
Deuteranopia (green-blind)
#3160AC
Tritanopia (blue-blind)
#007781
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #3166ad;
/* rgb */ color: rgb(49, 102, 173);
/* oklch */ color: oklch(51.1% 0.126 256.6);
Tailwind
colors: {
  custom: {
    50: '#7891c6',
    500: '#3166ad',
    950: '#000000',
  },
}
SCSS
$custom: #3166ad;
$custom-light: #7891c6;
$custom-dark: #000000;
JSON
{
  "hex": "#3166ad",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 173
  },
  "hsl": {
    "h": 214.355,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51056,
    "c": 0.12639,
    "h": 256.6
  },
  "luminance": 0.13173
}

Semantic roles & 50–950 ramp

primary
#3166AD
secondary
#C3A277
accent
#9F49DF
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C13
muted
#7C7D82

Preview Lab

Preview with #3166AD

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

Preview Lab → · Contrast checker → · Palette generator →

#3166AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva