#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
RGB	rgb(49, 102, 173)
HSL	hsl(214, 56%, 44%)
HSV	hsv(214, 72%, 68%)
CMYK	cmyk(71.7%, 41%, 0%, 32.2%)
CIE-LAB	lab(43.02, 6.85, -43.08)
CIE-LCH	lch(43.02, 43.62, 279.04°)
OKLab	oklab(51.06% -0.0293 -0.1229)
OKLCH	oklch(51.06% 0.126 256.6)
XYZ	xyz(13.5581, 13.1714, 41.3549)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	cyan

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
##3166AD	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

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 →