#2B56B7#2B56B7

#2B56B7 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.161 H 263.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B56B7
RGB	rgb(43, 86, 183)
HSL	hsl(222, 62%, 44%)
HSV	hsv(222, 77%, 72%)
CMYK	cmyk(76.5%, 53%, 0%, 28.2%)
CIE-LAB	lab(38.88, 20.21, -55.63)
CIE-LCH	lch(38.88, 59.19, 289.97°)
OKLab	oklab(48.02% -0.0182 -0.1602)
OKLCH	oklch(48.02% 0.161 263.5)
XYZ	xyz(12.8682, 10.5866, 46.1558)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B56B7 #B78C2B

analogous

#2B9CB7 #2B56B7 #462BB7

triadic

#2B56B7 #B72B56 #56B72B

tetradic

#2B56B7 #B72B9C #B78C2B #2BB746

square

#2B56B7 #B72B9C #B78C2B #2BB746

split-complementary

#2B56B7 #B7462B #9CB72B

monochromatic

#142754 #1F3F85 #2B56B7 #4B75D5 #7C9BE0

Accessibility & contrast

On white

6.74

#2B56B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2B56B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B56B7

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B56B7	#FFFFFF	#000000	##FFFFFF
##2B56B7	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F62BA

Deuteranopia (green-blind)

#0055B5

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b56b7;
/* rgb */ color: rgb(43, 86, 183);
/* oklch */ color: oklch(48.0% 0.161 263.5);

Tailwind

colors: {
  custom: {
    50: '#7985cd',
    500: '#2b56b7',
    950: '#000000',
  },
}

SCSS

$custom: #2b56b7;
$custom-light: #7985cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b56b7",
  "rgb": {
    "r": 43,
    "g": 86,
    "b": 183
  },
  "hsl": {
    "h": 221.571,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48015,
    "c": 0.16125,
    "h": 263.5
  },
  "luminance": 0.10588
}

Semantic roles & 50–950 ramp

primary

#2B56B7

secondary

#C9AF75

accent

#B343E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2B56B7

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

Preview Lab → · Contrast checker → · Palette generator →