#3156AC#3156AC

#3156AC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.4% C 0.144 H 264.1°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3156AC
RGB	rgb(49, 86, 172)
HSL	hsl(222, 56%, 43%)
HSV	hsv(222, 72%, 67%)
CMYK	cmyk(71.5%, 50%, 0%, 32.5%)
CIE-LAB	lab(38.35, 16.83, -49.98)
CIE-LCH	lch(38.35, 52.73, 288.61°)
OKLab	oklab(47.44% -0.0147 -0.1435)
OKLCH	oklch(47.44% 0.144 264.1)
XYZ	xyz(12.0382, 10.2859, 40.3727)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3156AC #AC8731

analogous

#3193AC #3156AC #4931AC

triadic

#3156AC #AC3156 #56AC31

tetradic

#3156AC #AC3193 #AC8731 #31AC49

square

#3156AC #AC3193 #AC8731 #31AC49

split-complementary

#3156AC #AC4931 #93AC31

monochromatic

#16264D #233E7C #3156AC #4E74CC #7D99DA

Accessibility & contrast

On white

6.87

#3156AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3156AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3156AC

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3156AC	#FFFFFF	#000000	##FFFFFF
##3156AC	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AF

Deuteranopia (green-blind)

#0055AA

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3156ac;
/* rgb */ color: rgb(49, 86, 172);
/* oklch */ color: oklch(47.4% 0.144 264.1);

Tailwind

colors: {
  custom: {
    50: '#7985c5',
    500: '#3156ac',
    950: '#000000',
  },
}

SCSS

$custom: #3156ac;
$custom-light: #7985c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3156ac",
  "rgb": {
    "r": 49,
    "g": 86,
    "b": 172
  },
  "hsl": {
    "h": 221.951,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.47439,
    "c": 0.14423,
    "h": 264.1
  },
  "luminance": 0.10287
}

Semantic roles & 50–950 ramp

primary

#3156AC

secondary

#C3AC76

accent

#B249DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3156AC

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

Preview Lab → · Contrast checker → · Palette generator →