#2156A1#2156A1

#2156A1 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.0% C 0.134 H 257.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#2156A1
RGB	rgb(33, 86, 161)
HSL	hsl(215, 66%, 38%)
HSV	hsv(215, 80%, 63%)
CMYK	cmyk(79.5%, 46.6%, 0%, 36.9%)
CIE-LAB	lab(37.02, 10.49, -45.59)
CIE-LCH	lch(37.02, 46.78, 282.95°)
OKLab	oklab(46.02% -0.0282 -0.1308)
OKLCH	oklch(46.02% 0.134 257.8)
XYZ	xyz(10.3856, 9.5509, 35.0074)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156A1 #A16C21

analogous

#2196A1 #2156A1 #2C21A1

triadic

#2156A1 #A12156 #56A121

tetradic

#2156A1 #A12196 #A16C21 #21A12C

square

#2156A1 #A12196 #A16C21 #21A12C

split-complementary

#2156A1 #A12C21 #96A121

monochromatic

#0C203B #173B6E #2156A1 #2C71D4 #5E93DE

Accessibility & contrast

On white

7.22

#2156A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2156A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2156A1

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156A1	#FFFFFF	#000000	##FFFFFF
##2156A1	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5DA4

Deuteranopia (green-blind)

#0E52A0

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2156a1;
/* rgb */ color: rgb(33, 86, 161);
/* oklch */ color: oklch(46.0% 0.134 257.8);

Tailwind

colors: {
  custom: {
    50: '#7185bd',
    500: '#2156a1',
    950: '#000000',
  },
}

SCSS

$custom: #2156a1;
$custom-light: #7185bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2156a1",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 161
  },
  "hsl": {
    "h": 215.156,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.46021,
    "c": 0.13384,
    "h": 257.8
  },
  "luminance": 0.09552
}

Semantic roles & 50–950 ramp

primary

#2156A1

secondary

#C3985B

accent

#A33FE9

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2156A1

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

Preview Lab → · Contrast checker → · Palette generator →