#3166F6#3166F6

#3166F6 is a mid, highly saturated blue. Relative luminance 0.168; OKLCH L 56.4% C 0.223 H 264.7°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3166F6
RGB	rgb(49, 102, 246)
HSL	hsl(224, 92%, 58%)
HSV	hsv(224, 80%, 96%)
CMYK	cmyk(80.1%, 58.5%, 0%, 3.5%)
CIE-LAB	lab(48.02, 34.04, -76.78)
CIE-LCH	lch(48.02, 83.99, 293.91°)
OKLab	oklab(56.44% -0.0207 -0.222)
OKLCH	oklch(56.44% 0.223 264.7)
XYZ	xyz(22.6466, 16.8068, 89.2214)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166F6 #F6C131

analogous

#31C8F6 #3166F6 #5E31F6

triadic

#3166F6 #F63166 #66F631

tetradic

#3166F6 #F631C8 #F6C131 #31F65E

square

#3166F6 #F631C8 #F6C131 #31F65E

split-complementary

#3166F6 #F65E31 #C8F631

monochromatic

#0732A5 #0A43E0 #3166F6 #6C92F9 #A6BDFB

Accessibility & contrast

On white

4.81

#3166F6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3166F6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166F6

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166F6	#FFFFFF	#000000	##FFFFFF
##3166F6	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BFB

Deuteranopia (green-blind)

#0069F3

Tritanopia (blue-blind)

#008BA4

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3166f6;
/* rgb */ color: rgb(49, 102, 246);
/* oklch */ color: oklch(56.4% 0.223 264.7);

Tailwind

colors: {
  custom: {
    50: '#8891fa',
    500: '#3166f6',
    950: '#000000',
  },
}

SCSS

$custom: #3166f6;
$custom-light: #8891fa;
$custom-dark: #000000;

JSON

{
  "hex": "#3166f6",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 246
  },
  "hsl": {
    "h": 223.858,
    "s": 91.628,
    "l": 57.843
  },
  "oklch": {
    "l": 0.56444,
    "c": 0.22299,
    "h": 264.7
  },
  "luminance": 0.1681
}

Semantic roles & 50–950 ramp

primary

#3166F6

secondary

#E9D49A

accent

#C529FF

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #3166F6

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

Preview Lab → · Contrast checker → · Palette generator →