#2B4BBA#2B4BBA

#2B4BBA is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.179 H 266.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BBA
RGB	rgb(43, 75, 186)
HSL	hsl(227, 62%, 45%)
HSV	hsv(227, 77%, 73%)
CMYK	cmyk(76.9%, 59.7%, 0%, 27.1%)
CIE-LAB	lab(36.16, 28.59, -61.81)
CIE-LCH	lch(36.16, 68.10, 294.82°)
OKLab	oklab(46.04% -0.0102 -0.1786)
OKLCH	oklch(46.04% 0.179 266.7)
XYZ	xyz(12.3722, 9.0895, 47.5473)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BBA #BA9A2B

analogous

#2B93BA #2B4BBA #522BBA

triadic

#2B4BBA #BA2B4B #4BBA2B

tetradic

#2B4BBA #BA2B93 #BA9A2B #2BBA52

square

#2B4BBA #BA2B93 #BA9A2B #2BBA52

split-complementary

#2B4BBA #BA522B #93BA2B

monochromatic

#142357 #203788 #2B4BBA #4C6BD6 #7E94E1

Accessibility & contrast

On white

7.45

#2B4BBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2B4BBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BBA

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BBA	#FFFFFF	#000000	##FFFFFF
##2B4BBA	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b4bba;
/* rgb */ color: rgb(43, 75, 186);
/* oklch */ color: oklch(46.0% 0.179 266.7);

Tailwind

colors: {
  custom: {
    50: '#7a7cd0',
    500: '#2b4bba',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bba;
$custom-light: #7a7cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bba",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 186
  },
  "hsl": {
    "h": 226.573,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46041,
    "c": 0.17886,
    "h": 266.7
  },
  "luminance": 0.09091
}

Semantic roles & 50–950 ramp

primary

#2B4BBA

secondary

#CAB777

accent

#C142E6

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2B4BBA

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

Preview Lab → · Contrast checker → · Palette generator →