#2B4BB3#2B4BB3

#2B4BB3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.169 H 266.5°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BB3
RGB	rgb(43, 75, 179)
HSL	hsl(226, 61%, 44%)
HSV	hsv(226, 76%, 70%)
CMYK	cmyk(76%, 58.1%, 0%, 29.8%)
CIE-LAB	lab(35.59, 25.95, -58.60)
CIE-LCH	lch(35.59, 64.09, 293.89°)
OKLab	oklab(45.45% -0.0103 -0.1691)
OKLCH	oklch(45.45% 0.169 266.5)
XYZ	xyz(11.6462, 8.7991, 43.7237)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BB3 #B3932B

analogous

#2B8FB3 #2B4BB3 #4F2BB3

triadic

#2B4BB3 #B32B4B #4BB32B

tetradic

#2B4BB3 #B32B8F #B3932B #2BB34F

square

#2B4BB3 #B32B8F #B3932B #2BB34F

split-complementary

#2B4BB3 #B34F2B #8FB32B

monochromatic

#132250 #1F3682 #2B4BB3 #4869D3 #7991DF

Accessibility & contrast

On white

7.61

#2B4BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2B4BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BB3

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BB3	#FFFFFF	#000000	##FFFFFF
##2B4BB3	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4bb3;
/* rgb */ color: rgb(43, 75, 179);
/* oklch */ color: oklch(45.4% 0.169 266.5);

Tailwind

colors: {
  custom: {
    50: '#797ccb',
    500: '#2b4bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bb3;
$custom-light: #797ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bb3",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 179
  },
  "hsl": {
    "h": 225.882,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45446,
    "c": 0.16945,
    "h": 266.5
  },
  "luminance": 0.088
}

Semantic roles & 50–950 ramp

primary

#2B4BB3

secondary

#C7B373

accent

#BF43E4

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4BB3

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

Preview Lab → · Contrast checker → · Palette generator →