#2B4BB7#2B4BB7

#2B4BB7 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.175 H 266.6°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BB7
RGB	rgb(43, 75, 183)
HSL	hsl(226, 62%, 44%)
HSV	hsv(226, 77%, 72%)
CMYK	cmyk(76.5%, 59%, 0%, 28.2%)
CIE-LAB	lab(35.91, 27.46, -60.44)
CIE-LCH	lch(35.91, 66.39, 294.44°)
OKLab	oklab(45.78% -0.0102 -0.1745)
OKLCH	oklch(45.78% 0.175 266.6)
XYZ	xyz(12.0566, 8.9633, 45.8852)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BB7 #B7972B

analogous

#2B91B7 #2B4BB7 #512BB7

triadic

#2B4BB7 #B72B4B #4BB72B

tetradic

#2B4BB7 #B72B91 #B7972B #2BB751

square

#2B4BB7 #B72B91 #B7972B #2BB751

split-complementary

#2B4BB7 #B7512B #91B72B

monochromatic

#142254 #1F3785 #2B4BB7 #4B6AD5 #7C93E0

Accessibility & contrast

On white

7.52

#2B4BB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#2B4BB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BB7

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BB7	#FFFFFF	#000000	##FFFFFF
##2B4BB7	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBB

Deuteranopia (green-blind)

#004EB5

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4bb7;
/* rgb */ color: rgb(43, 75, 183);
/* oklch */ color: oklch(45.8% 0.175 266.6);

Tailwind

colors: {
  custom: {
    50: '#7a7ccd',
    500: '#2b4bb7',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bb7;
$custom-light: #7a7ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bb7",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 183
  },
  "hsl": {
    "h": 226.286,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45784,
    "c": 0.17485,
    "h": 266.6
  },
  "luminance": 0.08965
}

Semantic roles & 50–950 ramp

primary

#2B4BB7

secondary

#C9B675

accent

#C043E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2B4BB7

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

Preview Lab → · Contrast checker → · Palette generator →