#2B4CBC#2B4CBC

#2B4CBC is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.4% C 0.180 H 266.6°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B4CBC
RGB	rgb(43, 76, 188)
HSL	hsl(226, 63%, 45%)
HSV	hsv(226, 77%, 74%)
CMYK	cmyk(77.1%, 59.6%, 0%, 26.3%)
CIE-LAB	lab(36.58, 28.68, -62.30)
CIE-LCH	lch(36.58, 68.58, 294.72°)
OKLab	oklab(46.41% -0.0108 -0.18)
OKLCH	oklch(46.41% 0.18 266.6)
XYZ	xyz(12.6546, 9.3119, 48.6976)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4CBC #BC9B2B

analogous

#2B94BC #2B4CBC #522BBC

triadic

#2B4CBC #BC2B4C #4CBC2B

tetradic

#2B4CBC #BC2B94 #BC9B2B #2BBC52

square

#2B4CBC #BC2B94 #BC9B2B #2BBC52

split-complementary

#2B4CBC #BC522B #94BC2B

monochromatic

#142458 #20388A #2B4CBC #4E6DD6 #8096E2

Accessibility & contrast

On white

7.34

#2B4CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2B4CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4CBC

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4CBC	#FFFFFF	#000000	##FFFFFF
##2B4CBC	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b4cbc;
/* rgb */ color: rgb(43, 76, 188);
/* oklch */ color: oklch(46.4% 0.180 266.6);

Tailwind

colors: {
  custom: {
    50: '#7b7dd1',
    500: '#2b4cbc',
    950: '#000000',
  },
}

SCSS

$custom: #2b4cbc;
$custom-light: #7b7dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4cbc",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 188
  },
  "hsl": {
    "h": 226.345,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46406,
    "c": 0.1803,
    "h": 266.6
  },
  "luminance": 0.09313
}

Semantic roles & 50–950 ramp

primary

#2B4CBC

secondary

#CBB878

accent

#C142E6

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2B4CBC

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

Preview Lab → · Contrast checker → · Palette generator →