#2B56B8#2B56B8

#2B56B8 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.163 H 263.6°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#2B56B8
RGB	rgb(43, 86, 184)
HSL	hsl(222, 62%, 45%)
HSV	hsv(222, 77%, 72%)
CMYK	cmyk(76.6%, 53.3%, 0%, 27.8%)
CIE-LAB	lab(38.95, 20.59, -56.10)
CIE-LCH	lch(38.95, 59.76, 290.16°)
OKLab	oklab(48.09% -0.0181 -0.1616)
OKLCH	oklch(48.09% 0.163 263.6)
XYZ	xyz(12.9727, 10.6284, 46.7059)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B56B8 #B88D2B

analogous

#2B9DB8 #2B56B8 #462BB8

triadic

#2B56B8 #B82B56 #56B82B

tetradic

#2B56B8 #B82B9D #B88D2B #2BB846

square

#2B56B8 #B82B9D #B88D2B #2BB846

split-complementary

#2B56B8 #B8462B #9DB82B

monochromatic

#142855 #1F3F86 #2B56B8 #4B75D5 #7D9BE1

Accessibility & contrast

On white

6.72

#2B56B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2B56B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B56B8

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B56B8	#FFFFFF	#000000	##FFFFFF
##2B56B8	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B63BB

Deuteranopia (green-blind)

#0056B6

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b56b8;
/* rgb */ color: rgb(43, 86, 184);
/* oklch */ color: oklch(48.1% 0.163 263.6);

Tailwind

colors: {
  custom: {
    50: '#7985ce',
    500: '#2b56b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b56b8;
$custom-light: #7985ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b56b8",
  "rgb": {
    "r": 43,
    "g": 86,
    "b": 184
  },
  "hsl": {
    "h": 221.702,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48093,
    "c": 0.16261,
    "h": 263.6
  },
  "luminance": 0.1063
}

Semantic roles & 50–950 ramp

primary

#2B56B8

secondary

#C9B076

accent

#B443E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B56B8

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

Preview Lab → · Contrast checker → · Palette generator →