#3163BD#3163BD

#3163BD is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.152 H 261.1°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3163BD
RGB	rgb(49, 99, 189)
HSL	hsl(219, 59%, 47%)
HSV	hsv(219, 74%, 74%)
CMYK	cmyk(74.1%, 47.6%, 0%, 25.9%)
CIE-LAB	lab(43.14, 14.77, -52.24)
CIE-LCH	lch(43.14, 54.29, 285.78°)
OKLab	oklab(51.46% -0.0236 -0.1499)
OKLCH	oklch(51.46% 0.152 261.1)
XYZ	xyz(14.9105, 13.2491, 49.9058)
Luminance	0.1325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3163BD #BD8B31

analogous

#31A9BD #3163BD #4531BD

triadic

#3163BD #BD3163 #63BD31

tetradic

#3163BD #BD31A9 #BD8B31 #31BD45

square

#3163BD #BD31A9 #BD8B31 #31BD45

split-complementary

#3163BD #BD4531 #A9BD31

monochromatic

#18305C #244A8C #3163BD #5884D4 #88A8E0

Accessibility & contrast

On white

5.75

#3163BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3163BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3163BD

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3163BD	#FFFFFF	#000000	##FFFFFF
##3163BD	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326DC0

Deuteranopia (green-blind)

#0960BB

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3163bd;
/* rgb */ color: rgb(49, 99, 189);
/* oklch */ color: oklch(51.5% 0.152 261.1);

Tailwind

colors: {
  custom: {
    50: '#7c8ed1',
    500: '#3163bd',
    950: '#000000',
  },
}

SCSS

$custom: #3163bd;
$custom-light: #7c8ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3163bd",
  "rgb": {
    "r": 49,
    "g": 99,
    "b": 189
  },
  "hsl": {
    "h": 218.571,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.51461,
    "c": 0.15177,
    "h": 261.1
  },
  "luminance": 0.13251
}

Semantic roles & 50–950 ramp

primary

#3163BD

secondary

#CAB080

accent

#AA46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3163BD

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

Preview Lab → · Contrast checker → · Palette generator →