#2B4ABC#2B4ABC

#2B4ABC is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.183 H 267.0°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#2B4ABC
RGB	rgb(43, 74, 188)
HSL	hsl(227, 63%, 45%)
HSV	hsv(227, 77%, 74%)
CMYK	cmyk(77.1%, 60.6%, 0%, 26.3%)
CIE-LAB	lab(36.06, 29.99, -63.14)
CIE-LCH	lch(36.06, 69.90, 295.41°)
OKLab	oklab(46.02% -0.0095 -0.1825)
OKLCH	oklch(46.02% 0.183 267)
XYZ	xyz(12.5190, 9.0406, 48.6524)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4ABC #BC9D2B

analogous

#2B93BC #2B4ABC #542BBC

triadic

#2B4ABC #BC2B4A #4ABC2B

tetradic

#2B4ABC #BC2B93 #BC9D2B #2BBC54

square

#2B4ABC #BC2B93 #BC9D2B #2BBC54

split-complementary

#2B4ABC #BC542B #93BC2B

monochromatic

#142358 #20368A #2B4ABC #4E6BD6 #8095E2

Accessibility & contrast

On white

7.48

#2B4ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#2B4ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4ABC

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4ABC	#FFFFFF	#000000	##FFFFFF
##2B4ABC	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC0

Deuteranopia (green-blind)

#004EBA

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b4abc;
/* rgb */ color: rgb(43, 74, 188);
/* oklch */ color: oklch(46.0% 0.183 267.0);

Tailwind

colors: {
  custom: {
    50: '#7b7cd1',
    500: '#2b4abc',
    950: '#000000',
  },
}

SCSS

$custom: #2b4abc;
$custom-light: #7b7cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4abc",
  "rgb": {
    "r": 43,
    "g": 74,
    "b": 188
  },
  "hsl": {
    "h": 227.172,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46022,
    "c": 0.18273,
    "h": 267
  },
  "luminance": 0.09042
}

Semantic roles & 50–950 ramp

primary

#2B4ABC

secondary

#CBB978

accent

#C342E6

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2B4ABC

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

Preview Lab → · Contrast checker → · Palette generator →