#3156A5#3156A5

#3156A5 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.9% C 0.134 H 263.3°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#3156A5
RGB	rgb(49, 86, 165)
HSL	hsl(221, 54%, 42%)
HSV	hsv(221, 70%, 65%)
CMYK	cmyk(70.3%, 47.9%, 0%, 35.3%)
CIE-LAB	lab(37.89, 14.20, -46.56)
CIE-LCH	lch(37.89, 48.68, 286.96°)
OKLab	oklab(46.93% -0.0157 -0.1335)
OKLCH	oklch(46.93% 0.134 263.3)
XYZ	xyz(11.3835, 10.0240, 36.9249)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3156A5 #A58031

analogous

#3190A5 #3156A5 #4631A5

triadic

#3156A5 #A53156 #56A531

tetradic

#3156A5 #A53190 #A58031 #31A546

square

#3156A5 #A53190 #A58031 #31A546

split-complementary

#3156A5 #A54631 #90A531

monochromatic

#152547 #233D76 #3156A5 #4A73C9 #7997D7

Accessibility & contrast

On white

6.99

#3156A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3156A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3156A5

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3156A5	#FFFFFF	#000000	##FFFFFF
##3156A5	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5FA8

Deuteranopia (green-blind)

#1154A3

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3156a5;
/* rgb */ color: rgb(49, 86, 165);
/* oklch */ color: oklch(46.9% 0.134 263.3);

Tailwind

colors: {
  custom: {
    50: '#7785c0',
    500: '#3156a5',
    950: '#000000',
  },
}

SCSS

$custom: #3156a5;
$custom-light: #7785c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3156a5",
  "rgb": {
    "r": 49,
    "g": 86,
    "b": 165
  },
  "hsl": {
    "h": 220.862,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46934,
    "c": 0.13437,
    "h": 263.3
  },
  "luminance": 0.10025
}

Semantic roles & 50–950 ramp

primary

#3156A5

secondary

#C0A772

accent

#AF4ADE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3156A5

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

Preview Lab → · Contrast checker → · Palette generator →