#2B4BBC#2B4BBC

#2B4BBC is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.2% C 0.182 H 266.8°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BBC
RGB	rgb(43, 75, 188)
HSL	hsl(227, 63%, 45%)
HSV	hsv(227, 77%, 74%)
CMYK	cmyk(77.1%, 60.1%, 0%, 26.3%)
CIE-LAB	lab(36.32, 29.34, -62.72)
CIE-LCH	lch(36.32, 69.24, 295.07°)
OKLab	oklab(46.21% -0.0101 -0.1812)
OKLCH	oklch(46.21% 0.182 266.8)
XYZ	xyz(12.5863, 9.1752, 48.6748)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BBC #BC9C2B

analogous

#2B93BC #2B4BBC #542BBC

triadic

#2B4BBC #BC2B4B #4BBC2B

tetradic

#2B4BBC #BC2B93 #BC9C2B #2BBC54

square

#2B4BBC #BC2B93 #BC9C2B #2BBC54

split-complementary

#2B4BBC #BC542B #93BC2B

monochromatic

#142358 #20378A #2B4BBC #4E6CD6 #8095E2

Accessibility & contrast

On white

7.41

#2B4BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2B4BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BBC

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BBC	#FFFFFF	#000000	##FFFFFF
##2B4BBC	1.00	7.41	2.84	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC0

Deuteranopia (green-blind)

#004FBA

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b4bbc;
/* rgb */ color: rgb(43, 75, 188);
/* oklch */ color: oklch(46.2% 0.182 266.8);

Tailwind

colors: {
  custom: {
    50: '#7b7cd1',
    500: '#2b4bbc',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bbc;
$custom-light: #7b7cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bbc",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 188
  },
  "hsl": {
    "h": 226.759,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46214,
    "c": 0.18152,
    "h": 266.8
  },
  "luminance": 0.09177
}

Semantic roles & 50–950 ramp

primary

#2B4BBC

secondary

#CBB878

accent

#C242E6

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2B4BBC

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

Preview Lab → · Contrast checker → · Palette generator →