#3166AE#3166AE

#3166AE is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.1% C 0.128 H 256.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3166AE
RGB	rgb(49, 102, 174)
HSL	hsl(215, 56%, 44%)
HSV	hsv(215, 72%, 68%)
CMYK	cmyk(71.8%, 41.4%, 0%, 31.8%)
CIE-LAB	lab(43.08, 7.22, -43.57)
CIE-LCH	lch(43.08, 44.17, 279.41°)
OKLab	oklab(51.12% -0.0291 -0.1244)
OKLCH	oklch(51.12% 0.128 256.8)
XYZ	xyz(13.6552, 13.2102, 41.8664)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166AE #AE7931

analogous

#31A4AE #3166AE #3A31AE

triadic

#3166AE #AE3166 #66AE31

tetradic

#3166AE #AE31A4 #AE7931 #31AE3A

square

#3166AE #AE31A4 #AE7931 #31AE3A

split-complementary

#3166AE #AE3A31 #A4AE31

monochromatic

#162E4E #244A7E #3166AE #4F84CD #7FA6DB

Accessibility & contrast

On white

5.77

#3166AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3166AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166AE

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166AE	#FFFFFF	#000000	##FFFFFF
##3166AE	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446CB1

Deuteranopia (green-blind)

#3060AD

Tritanopia (blue-blind)

#007781

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3166ae;
/* rgb */ color: rgb(49, 102, 174);
/* oklch */ color: oklch(51.1% 0.128 256.8);

Tailwind

colors: {
  custom: {
    50: '#7991c6',
    500: '#3166ae',
    950: '#000000',
  },
}

SCSS

$custom: #3166ae;
$custom-light: #7991c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3166ae",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 214.56,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5112,
    "c": 0.12775,
    "h": 256.8
  },
  "luminance": 0.13212
}

Semantic roles & 50–950 ramp

primary

#3166AE

secondary

#C4A377

accent

#9F48DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3166AE

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

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