#2156C2#2156C2

#2156C2 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.6% C 0.179 H 262.3°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#2156C2
RGB	rgb(33, 86, 194)
HSL	hsl(220, 71%, 45%)
HSV	hsv(220, 83%, 76%)
CMYK	cmyk(83%, 55.7%, 0%, 23.9%)
CIE-LAB	lab(39.36, 23.45, -61.28)
CIE-LCH	lch(39.36, 65.61, 290.94°)
OKLab	oklab(48.55% -0.0239 -0.177)
OKLCH	oklch(48.55% 0.179 262.3)
XYZ	xyz(13.6891, 10.8723, 52.4055)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156C2 #C28D21

analogous

#21A7C2 #2156C2 #3C21C2

triadic

#2156C2 #C22156 #56C221

tetradic

#2156C2 #C221A7 #C28D21 #21C23C

square

#2156C2 #C221A7 #C28D21 #21C23C

split-complementary

#2156C2 #C23C21 #A7C221

monochromatic

#0F2859 #183F8E #2156C2 #4175DF #769BE8

Accessibility & contrast

On white

6.61

#2156C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2156C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2156C2

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156C2	#FFFFFF	#000000	##FFFFFF
##2156C2	1.00	6.61	3.17	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C6

Deuteranopia (green-blind)

#0056C0

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2156c2;
/* rgb */ color: rgb(33, 86, 194);
/* oklch */ color: oklch(48.6% 0.179 262.3);

Tailwind

colors: {
  custom: {
    50: '#7985d5',
    500: '#2156c2',
    950: '#000000',
  },
}

SCSS

$custom: #2156c2;
$custom-light: #7985d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2156c2",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 194
  },
  "hsl": {
    "h": 220.248,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48551,
    "c": 0.1786,
    "h": 262.3
  },
  "luminance": 0.10874
}

Semantic roles & 50–950 ramp

primary

#2156C2

secondary

#CFB070

accent

#B33AEE

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2156C2

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

Preview Lab → · Contrast checker → · Palette generator →