#3166A3#3166A3

#3166A3 is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.4% C 0.113 H 253.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3166A3
RGB	rgb(49, 102, 163)
HSL	hsl(212, 54%, 42%)
HSV	hsv(212, 70%, 64%)
CMYK	cmyk(69.9%, 37.4%, 0%, 36.1%)
CIE-LAB	lab(42.46, 3.15, -38.08)
CIE-LCH	lch(42.46, 38.21, 274.73°)
OKLab	oklab(50.43% -0.0318 -0.1083)
OKLCH	oklch(50.43% 0.113 253.7)
XYZ	xyz(12.6264, 12.7987, 36.4482)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166A3 #A36E31

analogous

#319FA3 #3166A3 #3531A3

triadic

#3166A3 #A33166 #66A331

tetradic

#3166A3 #A3319F #A36E31 #31A335

square

#3166A3 #A3319F #A36E31 #31A335

split-complementary

#3166A3 #A33531 #9FA331

monochromatic

#152B45 #234974 #3166A3 #4984C8 #78A4D6

Accessibility & contrast

On white

5.90

#3166A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3166A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166A3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166A3	#FFFFFF	#000000	##FFFFFF
##3166A3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6AA5

Deuteranopia (green-blind)

#3A5FA2

Tritanopia (blue-blind)

#00747C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3166a3;
/* rgb */ color: rgb(49, 102, 163);
/* oklch */ color: oklch(50.4% 0.113 253.7);

Tailwind

colors: {
  custom: {
    50: '#7791be',
    500: '#3166a3',
    950: '#000000',
  },
}

SCSS

$custom: #3166a3;
$custom-light: #7791be;
$custom-dark: #000000;

JSON

{
  "hex": "#3166a3",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 163
  },
  "hsl": {
    "h": 212.105,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50435,
    "c": 0.11283,
    "h": 253.7
  },
  "luminance": 0.128
}

Semantic roles & 50–950 ramp

primary

#3166A3

secondary

#BF9B71

accent

#994BDD

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3166A3

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

Preview Lab → · Contrast checker → · Palette generator →