#3166AF#3166AF

#3166AF is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.2% C 0.129 H 257.1°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3166AF
RGB	rgb(49, 102, 175)
HSL	hsl(215, 56%, 44%)
HSV	hsv(215, 72%, 69%)
CMYK	cmyk(72%, 41.7%, 0%, 31.4%)
CIE-LAB	lab(43.14, 7.60, -44.07)
CIE-LCH	lch(43.14, 44.72, 279.78°)
OKLab	oklab(51.18% -0.0289 -0.1258)
OKLCH	oklch(51.18% 0.129 257.1)
XYZ	xyz(13.7530, 13.2494, 42.3817)
Luminance	0.1325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166AF #AF7A31

analogous

#31A5AF #3166AF #3B31AF

triadic

#3166AF #AF3166 #66AF31

tetradic

#3166AF #AF31A5 #AF7A31 #31AF3B

square

#3166AF #AF31A5 #AF7A31 #31AF3B

split-complementary

#3166AF #AF3B31 #A5AF31

monochromatic

#162E4F #244A7F #3166AF #4F85CE #7FA6DB

Accessibility & contrast

On white

5.75

#3166AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3166AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166AF

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166AF	#FFFFFF	#000000	##FFFFFF
##3166AF	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436CB2

Deuteranopia (green-blind)

#2F61AE

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3166af;
/* rgb */ color: rgb(49, 102, 175);
/* oklch */ color: oklch(51.2% 0.129 257.1);

Tailwind

colors: {
  custom: {
    50: '#7991c7',
    500: '#3166af',
    950: '#000000',
  },
}

SCSS

$custom: #3166af;
$custom-light: #7991c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3166af",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 175
  },
  "hsl": {
    "h": 214.762,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51184,
    "c": 0.12911,
    "h": 257.1
  },
  "luminance": 0.13251
}

Semantic roles & 50–950 ramp

primary

#3166AF

secondary

#C4A478

accent

#A048E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3166AF

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

Preview Lab → · Contrast checker → · Palette generator →