#3163B8#3163B8

#3163B8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.1% C 0.145 H 260.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3163B8
RGB	rgb(49, 99, 184)
HSL	hsl(218, 58%, 46%)
HSV	hsv(218, 73%, 72%)
CMYK	cmyk(73.4%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(42.82, 12.89, -49.84)
CIE-LCH	lch(42.82, 51.48, 284.49°)
OKLab	oklab(51.11% -0.0244 -0.1429)
OKLCH	oklch(51.11% 0.145 260.3)
XYZ	xyz(14.3771, 13.0358, 47.0966)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3163B8 #B88631

analogous

#31A6B8 #3163B8 #4331B8

triadic

#3163B8 #B83163 #63B831

tetradic

#3163B8 #B831A6 #B88631 #31B843

square

#3163B8 #B831A6 #B88631 #31B843

split-complementary

#3163B8 #B84331 #A6B831

monochromatic

#172F57 #244988 #3163B8 #5583D2 #85A6DE

Accessibility & contrast

On white

5.82

#3163B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3163B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3163B8

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3163B8	#FFFFFF	#000000	##FFFFFF
##3163B8	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376CBB

Deuteranopia (green-blind)

#185FB6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3163b8;
/* rgb */ color: rgb(49, 99, 184);
/* oklch */ color: oklch(51.1% 0.145 260.3);

Tailwind

colors: {
  custom: {
    50: '#7b8ece',
    500: '#3163b8',
    950: '#000000',
  },
}

SCSS

$custom: #3163b8;
$custom-light: #7b8ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3163b8",
  "rgb": {
    "r": 49,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 217.778,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51113,
    "c": 0.14494,
    "h": 260.3
  },
  "luminance": 0.13037
}

Semantic roles & 50–950 ramp

primary

#3163B8

secondary

#C8AC7D

accent

#A847E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3163B8

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

Preview Lab → · Contrast checker → · Palette generator →