#3166AC#3166AC

#3166AC is a mid, vivid cyan. Relative luminance 0.131; OKLCH L 51.0% C 0.125 H 256.3°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3166AC
RGB	rgb(49, 102, 172)
HSL	hsl(214, 56%, 43%)
HSV	hsv(214, 72%, 67%)
CMYK	cmyk(71.5%, 40.7%, 0%, 32.5%)
CIE-LAB	lab(42.96, 6.48, -42.58)
CIE-LCH	lch(42.96, 43.07, 278.65°)
OKLab	oklab(50.99% -0.0296 -0.1215)
OKLCH	oklch(50.99% 0.125 256.3)
XYZ	xyz(13.4617, 13.1328, 40.8472)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166AC #AC7731

analogous

#31A3AC #3166AC #3931AC

triadic

#3166AC #AC3166 #66AC31

tetradic

#3166AC #AC31A3 #AC7731 #31AC39

square

#3166AC #AC31A3 #AC7731 #31AC39

split-complementary

#3166AC #AC3931 #A3AC31

monochromatic

#162E4D #234A7C #3166AC #4E84CC #7DA5DA

Accessibility & contrast

On white

5.79

#3166AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3166AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166AC

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166AC	#FFFFFF	#000000	##FFFFFF
##3166AC	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456CAF

Deuteranopia (green-blind)

#3260AB

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3166ac;
/* rgb */ color: rgb(49, 102, 172);
/* oklch */ color: oklch(51.0% 0.125 256.3);

Tailwind

colors: {
  custom: {
    50: '#7891c5',
    500: '#3166ac',
    950: '#000000',
  },
}

SCSS

$custom: #3166ac;
$custom-light: #7891c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3166ac",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 172
  },
  "hsl": {
    "h": 214.146,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50992,
    "c": 0.12502,
    "h": 256.3
  },
  "luminance": 0.13134
}

Semantic roles & 50–950 ramp

primary

#3166AC

secondary

#C3A276

accent

#9E49DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3166AC

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

Preview Lab → · Contrast checker → · Palette generator →