#2156A3#2156A3

#2156A3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.2% C 0.137 H 258.3°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#2156A3
RGB	rgb(33, 86, 163)
HSL	hsl(216, 66%, 38%)
HSV	hsv(216, 80%, 64%)
CMYK	cmyk(79.8%, 47.2%, 0%, 36.1%)
CIE-LAB	lab(37.16, 11.28, -46.58)
CIE-LCH	lch(37.16, 47.92, 283.61°)
OKLab	oklab(46.16% -0.0278 -0.1337)
OKLCH	oklch(46.16% 0.137 258.3)
XYZ	xyz(10.5634, 9.6220, 35.9437)
Luminance	0.0962 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156A3 #A36E21

analogous

#2197A3 #2156A3 #2D21A3

triadic

#2156A3 #A32156 #56A321

tetradic

#2156A3 #A32197 #A36E21 #21A32D

square

#2156A3 #A32197 #A36E21 #21A32D

split-complementary

#2156A3 #A32D21 #97A321

monochromatic

#0C203D #173B70 #2156A3 #2D71D4 #6093DF

Accessibility & contrast

On white

7.18

#2156A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2156A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2156A3

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156A3	#FFFFFF	#000000	##FFFFFF
##2156A3	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5EA6

Deuteranopia (green-blind)

#0752A1

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2156a3;
/* rgb */ color: rgb(33, 86, 163);
/* oklch */ color: oklch(46.2% 0.137 258.3);

Tailwind

colors: {
  custom: {
    50: '#7185bf',
    500: '#2156a3',
    950: '#000000',
  },
}

SCSS

$custom: #2156a3;
$custom-light: #7185bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2156a3",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 163
  },
  "hsl": {
    "h": 215.538,
    "s": 66.327,
    "l": 38.431
  },
  "oklch": {
    "l": 0.46164,
    "c": 0.1366,
    "h": 258.3
  },
  "luminance": 0.09623
}

Semantic roles & 50–950 ramp

primary

#2156A3

secondary

#C3995C

accent

#A43FE9

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2156A3

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

Preview Lab → · Contrast checker → · Palette generator →