#2156BD#2156BD

#2156BD is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.1% C 0.172 H 261.9°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#2156BD
RGB	rgb(33, 86, 189)
HSL	hsl(220, 70%, 44%)
HSV	hsv(220, 83%, 74%)
CMYK	cmyk(82.5%, 54.5%, 0%, 25.9%)
CIE-LAB	lab(38.99, 21.50, -58.98)
CIE-LCH	lch(38.99, 62.77, 290.03°)
OKLab	oklab(48.15% -0.0243 -0.1702)
OKLCH	oklch(48.15% 0.172 261.9)
XYZ	xyz(13.1370, 10.6514, 49.4978)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156BD #BD8821

analogous

#21A4BD #2156BD #3A21BD

triadic

#2156BD #BD2156 #56BD21

tetradic

#2156BD #BD21A4 #BD8821 #21BD3A

square

#2156BD #BD21A4 #BD8821 #21BD3A

split-complementary

#2156BD #BD3A21 #A4BD21

monochromatic

#0F2755 #183E89 #2156BD #3E74DD #729AE6

Accessibility & contrast

On white

6.71

#2156BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2156BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2156BD

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156BD	#FFFFFF	#000000	##FFFFFF
##2156BD	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2156bd;
/* rgb */ color: rgb(33, 86, 189);
/* oklch */ color: oklch(48.1% 0.172 261.9);

Tailwind

colors: {
  custom: {
    50: '#7784d2',
    500: '#2156bd',
    950: '#000000',
  },
}

SCSS

$custom: #2156bd;
$custom-light: #7784d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2156bd",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 189
  },
  "hsl": {
    "h": 219.615,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48147,
    "c": 0.17195,
    "h": 261.9
  },
  "luminance": 0.10653
}

Semantic roles & 50–950 ramp

primary

#2156BD

secondary

#CDAC6D

accent

#B03BED

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0A0A14

muted

#7C7C83

Preview Lab

Preview with #2156BD

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

Preview Lab → · Contrast checker → · Palette generator →