#3166A8#3166A8

#3166A8 is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.7% C 0.120 H 255.2°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3166A8
RGB	rgb(49, 102, 168)
HSL	hsl(213, 55%, 43%)
HSV	hsv(213, 71%, 66%)
CMYK	cmyk(70.8%, 39.3%, 0%, 34.1%)
CIE-LAB	lab(42.74, 4.99, -40.59)
CIE-LCH	lch(42.74, 40.90, 277.01°)
OKLab	oklab(50.74% -0.0305 -0.1156)
OKLCH	oklch(50.74% 0.12 255.2)
XYZ	xyz(13.0833, 12.9815, 38.8544)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166A8 #A87331

analogous

#31A2A8 #3166A8 #3731A8

triadic

#3166A8 #A83166 #66A831

tetradic

#3166A8 #A831A2 #A87331 #31A837

square

#3166A8 #A831A2 #A87331 #31A837

split-complementary

#3166A8 #A83731 #A2A831

monochromatic

#152C49 #234979 #3166A8 #4C84CB #7BA5D8

Accessibility & contrast

On white

5.84

#3166A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3166A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166A8

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166A8	#FFFFFF	#000000	##FFFFFF
##3166A8	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486BAB

Deuteranopia (green-blind)

#3660A7

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3166a8;
/* rgb */ color: rgb(49, 102, 168);
/* oklch */ color: oklch(50.7% 0.120 255.2);

Tailwind

colors: {
  custom: {
    50: '#7791c2',
    500: '#3166a8',
    950: '#000000',
  },
}

SCSS

$custom: #3166a8;
$custom-light: #7791c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3166a8",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 168
  },
  "hsl": {
    "h": 213.277,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50741,
    "c": 0.11959,
    "h": 255.2
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#3166A8

secondary

#C19F74

accent

#9C4ADE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3166A8

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

Preview Lab → · Contrast checker → · Palette generator →