#2156AC#2156AC

#2156AC is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.149 H 259.8°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#2156AC
RGB	rgb(33, 86, 172)
HSL	hsl(217, 68%, 40%)
HSV	hsv(217, 81%, 67%)
CMYK	cmyk(80.8%, 50%, 0%, 32.5%)
CIE-LAB	lab(37.76, 14.83, -50.95)
CIE-LCH	lch(37.76, 53.07, 286.23°)
OKLab	oklab(46.83% -0.0264 -0.1466)
OKLCH	oklch(46.83% 0.149 259.8)
XYZ	xyz(11.3987, 9.9561, 40.3427)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156AC #AC7721

analogous

#219CAC #2156AC #3121AC

triadic

#2156AC #AC2156 #56AC21

tetradic

#2156AC #AC219C #AC7721 #21AC31

square

#2156AC #AC219C #AC7721 #21AC31

split-complementary

#2156AC #AC3121 #9CAC21

monochromatic

#0D2345 #173C79 #2156AC #3271D8 #6695E2

Accessibility & contrast

On white

7.02

#2156AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2156AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2156AC

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156AC	#FFFFFF	#000000	##FFFFFF
##2156AC	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2260AF

Deuteranopia (green-blind)

#0053AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2156ac;
/* rgb */ color: rgb(33, 86, 172);
/* oklch */ color: oklch(46.8% 0.149 259.8);

Tailwind

colors: {
  custom: {
    50: '#7385c5',
    500: '#2156ac',
    950: '#000000',
  },
}

SCSS

$custom: #2156ac;
$custom-light: #7385c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2156ac",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 172
  },
  "hsl": {
    "h": 217.122,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46826,
    "c": 0.14896,
    "h": 259.8
  },
  "luminance": 0.09957
}

Semantic roles & 50–950 ramp

primary

#2156AC

secondary

#C7A062

accent

#A93DEB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2156AC

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

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