#2156A9#2156A9

#2156A9 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.6% C 0.145 H 259.3°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#2156A9
RGB	rgb(33, 86, 169)
HSL	hsl(217, 67%, 40%)
HSV	hsv(217, 80%, 66%)
CMYK	cmyk(80.5%, 49.1%, 0%, 33.7%)
CIE-LAB	lab(37.56, 13.65, -49.50)
CIE-LCH	lch(37.56, 51.35, 285.41°)
OKLab	oklab(46.6% -0.0268 -0.1423)
OKLCH	oklch(46.6% 0.145 259.3)
XYZ	xyz(11.1138, 9.8422, 38.8424)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156A9 #A97421

analogous

#219AA9 #2156A9 #3021A9

triadic

#2156A9 #A92156 #56A921

tetradic

#2156A9 #A9219A #A97421 #21A930

square

#2156A9 #A9219A #A97421 #21A930

split-complementary

#2156A9 #A93021 #9AA921

monochromatic

#0D2243 #173C76 #2156A9 #3171D7 #6494E1

Accessibility & contrast

On white

7.07

#2156A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2156A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2156A9

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156A9	#FFFFFF	#000000	##FFFFFF
##2156A9	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265FAC

Deuteranopia (green-blind)

#0053A7

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2156a9;
/* rgb */ color: rgb(33, 86, 169);
/* oklch */ color: oklch(46.6% 0.145 259.3);

Tailwind

colors: {
  custom: {
    50: '#7285c3',
    500: '#2156a9',
    950: '#000000',
  },
}

SCSS

$custom: #2156a9;
$custom-light: #7285c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2156a9",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 169
  },
  "hsl": {
    "h": 216.618,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46603,
    "c": 0.14485,
    "h": 259.3
  },
  "luminance": 0.09843
}

Semantic roles & 50–950 ramp

primary

#2156A9

secondary

#C69E60

accent

#A73EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2156A9

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

Preview Lab → · Contrast checker → · Palette generator →