#3164B3#3164B3

#3164B3 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.137 H 259.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3164B3
RGB	rgb(49, 100, 179)
HSL	hsl(216, 57%, 45%)
HSV	hsv(216, 73%, 70%)
CMYK	cmyk(72.6%, 44.1%, 0%, 29.8%)
CIE-LAB	lab(42.79, 10.37, -46.96)
CIE-LCH	lch(42.79, 48.09, 282.45°)
OKLab	oklab(51% -0.0262 -0.1344)
OKLCH	oklch(51% 0.137 259)
XYZ	xyz(13.9575, 13.0205, 44.4167)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3164B3 #B38031

analogous

#31A5B3 #3164B3 #3F31B3

triadic

#3164B3 #B33164 #64B331

tetradic

#3164B3 #B331A5 #B38031 #31B33F

square

#3164B3 #B331A5 #B38031 #31B33F

split-complementary

#3164B3 #B33F31 #A5B331

monochromatic

#172E53 #244983 #3164B3 #5283D0 #82A5DD

Accessibility & contrast

On white

5.83

#3164B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3164B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3164B3

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3164B3	#FFFFFF	#000000	##FFFFFF
##3164B3	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6BB6

Deuteranopia (green-blind)

#255FB1

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3164b3;
/* rgb */ color: rgb(49, 100, 179);
/* oklch */ color: oklch(51.0% 0.137 259.0);

Tailwind

colors: {
  custom: {
    50: '#7a8fca',
    500: '#3164b3',
    950: '#000000',
  },
}

SCSS

$custom: #3164b3;
$custom-light: #7a8fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3164b3",
  "rgb": {
    "r": 49,
    "g": 100,
    "b": 179
  },
  "hsl": {
    "h": 216.462,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50996,
    "c": 0.1369,
    "h": 259
  },
  "luminance": 0.13022
}

Semantic roles & 50–950 ramp

primary

#3164B3

secondary

#C6A87A

accent

#A448E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3164B3

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

Preview Lab → · Contrast checker → · Palette generator →