#2B4BBD#2B4BBD

#2B4BBD is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.3% C 0.183 H 266.8°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BBD
RGB	rgb(43, 75, 189)
HSL	hsl(227, 63%, 45%)
HSV	hsv(227, 77%, 74%)
CMYK	cmyk(77.2%, 60.3%, 0%, 25.9%)
CIE-LAB	lab(36.40, 29.71, -63.17)
CIE-LCH	lch(36.40, 69.81, 295.19°)
OKLab	oklab(46.3% -0.0101 -0.1826)
OKLCH	oklch(46.3% 0.183 266.8)
XYZ	xyz(12.6944, 9.2184, 49.2445)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BBD #BD9D2B

analogous

#2B94BD #2B4BBD #542BBD

triadic

#2B4BBD #BD2B4B #4BBD2B

tetradic

#2B4BBD #BD2B94 #BD9D2B #2BBD54

square

#2B4BBD #BD2B94 #BD9D2B #2BBD54

split-complementary

#2B4BBD #BD542B #94BD2B

monochromatic

#142359 #20378B #2B4BBD #4E6CD7 #8096E2

Accessibility & contrast

On white

7.38

#2B4BBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2B4BBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BBD

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BBD	#FFFFFF	#000000	##FFFFFF
##2B4BBD	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC1

Deuteranopia (green-blind)

#004FBB

Tritanopia (blue-blind)

#00687D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b4bbd;
/* rgb */ color: rgb(43, 75, 189);
/* oklch */ color: oklch(46.3% 0.183 266.8);

Tailwind

colors: {
  custom: {
    50: '#7b7cd2',
    500: '#2b4bbd',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bbd;
$custom-light: #7b7cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bbd",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 189
  },
  "hsl": {
    "h": 226.849,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.463,
    "c": 0.18284,
    "h": 266.8
  },
  "luminance": 0.0922
}

Semantic roles & 50–950 ramp

primary

#2B4BBD

secondary

#CBB979

accent

#C242E6

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2B4BBD

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

Preview Lab → · Contrast checker → · Palette generator →