#2156A8#2156A8

#2156A8 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.143 H 259.2°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2156A8
RGB	rgb(33, 86, 168)
HSL	hsl(216, 67%, 39%)
HSV	hsv(216, 80%, 66%)
CMYK	cmyk(80.4%, 48.8%, 0%, 34.1%)
CIE-LAB	lab(37.49, 13.25, -49.02)
CIE-LCH	lch(37.49, 50.78, 285.13°)
OKLab	oklab(46.53% -0.027 -0.1409)
OKLCH	oklch(46.53% 0.143 259.2)
XYZ	xyz(11.0203, 9.8048, 38.3499)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156A8 #A87321

analogous

#219AA8 #2156A8 #2F21A8

triadic

#2156A8 #A82156 #56A821

tetradic

#2156A8 #A8219A #A87321 #21A82F

square

#2156A8 #A8219A #A87321 #21A82F

split-complementary

#2156A8 #A82F21 #9AA821

monochromatic

#0D2242 #173C75 #2156A8 #3071D6 #6394E0

Accessibility & contrast

On white

7.09

#2156A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2156A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2156A8

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156A8	#FFFFFF	#000000	##FFFFFF
##2156A8	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275FAB

Deuteranopia (green-blind)

#0052A6

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2156a8;
/* rgb */ color: rgb(33, 86, 168);
/* oklch */ color: oklch(46.5% 0.143 259.2);

Tailwind

colors: {
  custom: {
    50: '#7285c2',
    500: '#2156a8',
    950: '#000000',
  },
}

SCSS

$custom: #2156a8;
$custom-light: #7285c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2156a8",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 168
  },
  "hsl": {
    "h": 216.444,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46529,
    "c": 0.14348,
    "h": 259.2
  },
  "luminance": 0.09806
}

Semantic roles & 50–950 ramp

primary

#2156A8

secondary

#C59D5F

accent

#A63EEA

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2156A8

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

Preview Lab → · Contrast checker → · Palette generator →