#3163CF#3163CF

#3163CF is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.8% C 0.176 H 263.1°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3163CF
RGB	rgb(49, 99, 207)
HSL	hsl(221, 62%, 50%)
HSV	hsv(221, 76%, 81%)
CMYK	cmyk(76.3%, 52.2%, 0%, 18.8%)
CIE-LAB	lab(44.35, 21.52, -60.69)
CIE-LCH	lch(44.35, 64.39, 289.53°)
OKLab	oklab(52.77% -0.0213 -0.1748)
OKLCH	oklch(52.77% 0.176 263.1)
XYZ	xyz(16.9869, 14.0797, 60.8418)
Luminance	0.1408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3163CF #CF9D31

analogous

#31B2CF #3163CF #4E31CF

triadic

#3163CF #CF3163 #63CF31

tetradic

#3163CF #CF31B2 #CF9D31 #31CF4E

square

#3163CF #CF31B2 #CF9D31 #31CF4E

split-complementary

#3163CF #CF4E31 #B2CF31

monochromatic

#19346C #254B9E #3163CF #6389DB #94AEE6

Accessibility & contrast

On white

5.50

#3163CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3163CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3163CF

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3163CF	#FFFFFF	#000000	##FFFFFF
##3163CF	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1670D3

Deuteranopia (green-blind)

#0062CD

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3163cf;
/* rgb */ color: rgb(49, 99, 207);
/* oklch */ color: oklch(52.8% 0.176 263.1);

Tailwind

colors: {
  custom: {
    50: '#808ede',
    500: '#3163cf',
    950: '#000000',
  },
}

SCSS

$custom: #3163cf;
$custom-light: #808ede;
$custom-dark: #000000;

JSON

{
  "hex": "#3163cf",
  "rgb": {
    "r": 49,
    "g": 99,
    "b": 207
  },
  "hsl": {
    "h": 221.013,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52772,
    "c": 0.17606,
    "h": 263.1
  },
  "luminance": 0.14082
}

Semantic roles & 50–950 ramp

primary

#3163CF

secondary

#D1BB8B

accent

#B243E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3163CF

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

Preview Lab → · Contrast checker → · Palette generator →