#3156A4#3156A4

#3156A4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.9% C 0.133 H 263.1°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3156A4
RGB	rgb(49, 86, 164)
HSL	hsl(221, 54%, 42%)
HSV	hsv(221, 70%, 64%)
CMYK	cmyk(70.1%, 47.6%, 0%, 35.7%)
CIE-LAB	lab(37.82, 13.82, -46.07)
CIE-LCH	lch(37.82, 48.10, 286.70°)
OKLab	oklab(46.86% -0.0159 -0.132)
OKLCH	oklch(46.86% 0.133 263.1)
XYZ	xyz(11.2929, 9.9877, 36.4474)
Luminance	0.0999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3156A4 #A47F31

analogous

#3190A4 #3156A4 #4631A4

triadic

#3156A4 #A43156 #56A431

tetradic

#3156A4 #A43190 #A47F31 #31A446

square

#3156A4 #A43190 #A47F31 #31A446

split-complementary

#3156A4 #A44631 #90A431

monochromatic

#152546 #233D75 #3156A4 #4972C9 #7997D7

Accessibility & contrast

On white

7.01

#3156A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3156A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3156A4

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3156A4	#FFFFFF	#000000	##FFFFFF
##3156A4	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5FA7

Deuteranopia (green-blind)

#1354A2

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3156a4;
/* rgb */ color: rgb(49, 86, 164);
/* oklch */ color: oklch(46.9% 0.133 263.1);

Tailwind

colors: {
  custom: {
    50: '#7785bf',
    500: '#3156a4',
    950: '#000000',
  },
}

SCSS

$custom: #3156a4;
$custom-light: #7785bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3156a4",
  "rgb": {
    "r": 49,
    "g": 86,
    "b": 164
  },
  "hsl": {
    "h": 220.696,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46864,
    "c": 0.13295,
    "h": 263.1
  },
  "luminance": 0.09989
}

Semantic roles & 50–950 ramp

primary

#3156A4

secondary

#BFA672

accent

#AE4ADD

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3156A4

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

Preview Lab → · Contrast checker → · Palette generator →