#3166A9#3166A9

#3166A9 is a mid, vivid cyan. Relative luminance 0.130; OKLCH L 50.8% C 0.121 H 255.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3166A9
RGB	rgb(49, 102, 169)
HSL	hsl(214, 55%, 43%)
HSV	hsv(214, 71%, 66%)
CMYK	cmyk(71%, 39.6%, 0%, 33.7%)
CIE-LAB	lab(42.79, 5.37, -41.09)
CIE-LCH	lch(42.79, 41.44, 277.44°)
OKLab	oklab(50.8% -0.0303 -0.1171)
OKLCH	oklch(50.8% 0.121 255.5)
XYZ	xyz(13.1768, 13.0189, 39.3469)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166A9 #A97431

analogous

#31A2A9 #3166A9 #3831A9

triadic

#3166A9 #A93166 #66A931

tetradic

#3166A9 #A931A2 #A97431 #31A938

square

#3166A9 #A931A2 #A97431 #31A938

split-complementary

#3166A9 #A93831 #A2A931

monochromatic

#152D4A #23497A #3166A9 #4C84CB #7CA5D9

Accessibility & contrast

On white

5.83

#3166A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3166A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166A9

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166A9	#FFFFFF	#000000	##FFFFFF
##3166A9	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476BAC

Deuteranopia (green-blind)

#3560A8

Tritanopia (blue-blind)

#00767F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3166a9;
/* rgb */ color: rgb(49, 102, 169);
/* oklch */ color: oklch(50.8% 0.121 255.5);

Tailwind

colors: {
  custom: {
    50: '#7891c3',
    500: '#3166a9',
    950: '#000000',
  },
}

SCSS

$custom: #3166a9;
$custom-light: #7891c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3166a9",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 169
  },
  "hsl": {
    "h": 213.5,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50804,
    "c": 0.12095,
    "h": 255.5
  },
  "luminance": 0.1302
}

Semantic roles & 50–950 ramp

primary

#3166A9

secondary

#C19F74

accent

#9D49DE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3166A9

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

Preview Lab → · Contrast checker → · Palette generator →