#2B4BB9#2B4BB9

#2B4BB9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.178 H 266.7°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BB9
RGB	rgb(43, 75, 185)
HSL	hsl(226, 62%, 45%)
HSV	hsv(226, 77%, 73%)
CMYK	cmyk(76.8%, 59.5%, 0%, 27.5%)
CIE-LAB	lab(36.08, 28.21, -61.35)
CIE-LCH	lch(36.08, 67.53, 294.69°)
OKLab	oklab(45.96% -0.0102 -0.1772)
OKLCH	oklch(45.96% 0.178 266.7)
XYZ	xyz(12.2662, 9.0472, 46.9893)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BB9 #B9992B

analogous

#2B92B9 #2B4BB9 #522BB9

triadic

#2B4BB9 #B92B4B #4BB92B

tetradic

#2B4BB9 #B92B92 #B9992B #2BB952

square

#2B4BB9 #B92B92 #B9992B #2BB952

split-complementary

#2B4BB9 #B9522B #92B92B

monochromatic

#142356 #1F3787 #2B4BB9 #4C6BD5 #7E94E1

Accessibility & contrast

On white

7.47

#2B4BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#2B4BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BB9

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BB9	#FFFFFF	#000000	##FFFFFF
##2B4BB9	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b4bb9;
/* rgb */ color: rgb(43, 75, 185);
/* oklch */ color: oklch(46.0% 0.178 266.7);

Tailwind

colors: {
  custom: {
    50: '#7a7ccf',
    500: '#2b4bb9',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bb9;
$custom-light: #7a7ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bb9",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 185
  },
  "hsl": {
    "h": 226.479,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45955,
    "c": 0.17752,
    "h": 266.7
  },
  "luminance": 0.09049
}

Semantic roles & 50–950 ramp

primary

#2B4BB9

secondary

#C9B776

accent

#C142E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2B4BB9

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

Preview Lab → · Contrast checker → · Palette generator →