#3163BC#3163BC

#3163BC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.4% C 0.150 H 260.9°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3163BC
RGB	rgb(49, 99, 188)
HSL	hsl(218, 59%, 46%)
HSV	hsv(218, 74%, 74%)
CMYK	cmyk(73.9%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(43.07, 14.39, -51.77)
CIE-LCH	lch(43.07, 53.73, 285.53°)
OKLab	oklab(51.39% -0.0237 -0.1485)
OKLCH	oklch(51.39% 0.15 260.9)
XYZ	xyz(14.8023, 13.2059, 49.3361)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3163BC #BC8A31

analogous

#31A9BC #3163BC #4431BC

triadic

#3163BC #BC3163 #63BC31

tetradic

#3163BC #BC31A9 #BC8A31 #31BC44

square

#3163BC #BC31A9 #BC8A31 #31BC44

split-complementary

#3163BC #BC4431 #A9BC31

monochromatic

#18305B #24498B #3163BC #5784D3 #88A7E0

Accessibility & contrast

On white

5.77

#3163BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3163BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3163BC

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3163BC	#FFFFFF	#000000	##FFFFFF
##3163BC	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DBF

Deuteranopia (green-blind)

#0D60BA

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3163bc;
/* rgb */ color: rgb(49, 99, 188);
/* oklch */ color: oklch(51.4% 0.150 260.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3163bc",
  "rgb": {
    "r": 49,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 218.417,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.51391,
    "c": 0.15041,
    "h": 260.9
  },
  "luminance": 0.13207
}

Semantic roles & 50–950 ramp

primary

#3163BC

secondary

#CAAF7F

accent

#AA46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3163BC

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

Preview Lab → · Contrast checker → · Palette generator →