#3166A5#3166A5

#3166A5 is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.6% C 0.116 H 254.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3166A5
RGB	rgb(49, 102, 165)
HSL	hsl(213, 54%, 42%)
HSV	hsv(213, 70%, 65%)
CMYK	cmyk(70.3%, 38.2%, 0%, 35.3%)
CIE-LAB	lab(42.57, 3.88, -39.09)
CIE-LCH	lch(42.57, 39.28, 275.68°)
OKLab	oklab(50.56% -0.0312 -0.1112)
OKLCH	oklch(50.56% 0.116 254.3)
XYZ	xyz(12.8070, 12.8710, 37.3994)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166A5 #A57031

analogous

#31A0A5 #3166A5 #3631A5

triadic

#3166A5 #A53166 #66A531

tetradic

#3166A5 #A531A0 #A57031 #31A536

square

#3166A5 #A531A0 #A57031 #31A536

split-complementary

#3166A5 #A53631 #A0A531

monochromatic

#152C47 #234976 #3166A5 #4A84C9 #79A4D7

Accessibility & contrast

On white

5.88

#3166A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3166A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166A5

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166A5	#FFFFFF	#000000	##FFFFFF
##3166A5	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#496AA8

Deuteranopia (green-blind)

#3860A4

Tritanopia (blue-blind)

#00757D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3166a5;
/* rgb */ color: rgb(49, 102, 165);
/* oklch */ color: oklch(50.6% 0.116 254.3);

Tailwind

colors: {
  custom: {
    50: '#7791c0',
    500: '#3166a5',
    950: '#000000',
  },
}

SCSS

$custom: #3166a5;
$custom-light: #7791c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3166a5",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 165
  },
  "hsl": {
    "h": 212.586,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50557,
    "c": 0.11554,
    "h": 254.3
  },
  "luminance": 0.12872
}

Semantic roles & 50–950 ramp

primary

#3166A5

secondary

#C09C72

accent

#9A4ADE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3166A5

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

Preview Lab → · Contrast checker → · Palette generator →