#2B56BB#2B56BB

#2B56BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.167 H 263.8°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B56BB
RGB	rgb(43, 86, 187)
HSL	hsl(222, 63%, 45%)
HSV	hsv(222, 77%, 73%)
CMYK	cmyk(77%, 54%, 0%, 26.7%)
CIE-LAB	lab(39.17, 21.74, -57.50)
CIE-LCH	lch(39.17, 61.47, 290.71°)
OKLab	oklab(48.33% -0.0179 -0.1657)
OKLCH	oklch(48.33% 0.167 263.8)
XYZ	xyz(13.2905, 10.7555, 48.3796)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B56BB #BB902B

analogous

#2B9EBB #2B56BB #482BBB

triadic

#2B56BB #BB2B56 #56BB2B

tetradic

#2B56BB #BB2B9E #BB902B #2BBB48

square

#2B56BB #BB2B9E #BB902B #2BBB48

split-complementary

#2B56BB #BB482B #9EBB2B

monochromatic

#142857 #203F89 #2B56BB #4D76D6 #7F9CE2

Accessibility & contrast

On white

6.66

#2B56BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#2B56BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B56BB

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B56BB	#FFFFFF	#000000	##FFFFFF
##2B56BB	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b56bb;
/* rgb */ color: rgb(43, 86, 187);
/* oklch */ color: oklch(48.3% 0.167 263.8);

Tailwind

colors: {
  custom: {
    50: '#7a85d0',
    500: '#2b56bb',
    950: '#000000',
  },
}

SCSS

$custom: #2b56bb;
$custom-light: #7a85d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b56bb",
  "rgb": {
    "r": 43,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 222.083,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48327,
    "c": 0.16669,
    "h": 263.8
  },
  "luminance": 0.10757
}

Semantic roles & 50–950 ramp

primary

#2B56BB

secondary

#CAB278

accent

#B542E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B56BB

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

Preview Lab → · Contrast checker → · Palette generator →