#2B4BB2#2B4BB2

#2B4BB2 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.168 H 266.5°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BB2
RGB	rgb(43, 75, 178)
HSL	hsl(226, 61%, 43%)
HSV	hsv(226, 76%, 70%)
CMYK	cmyk(75.8%, 57.9%, 0%, 30.2%)
CIE-LAB	lab(35.52, 25.57, -58.13)
CIE-LCH	lch(35.52, 63.51, 293.75°)
OKLab	oklab(45.36% -0.0104 -0.1678)
OKLCH	oklch(45.36% 0.168 266.5)
XYZ	xyz(11.5454, 8.7588, 43.1930)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BB2 #B2922B

analogous

#2B8EB2 #2B4BB2 #4E2BB2

triadic

#2B4BB2 #B22B4B #4BB22B

tetradic

#2B4BB2 #B22B8E #B2922B #2BB24E

square

#2B4BB2 #B22B8E #B2922B #2BB24E

split-complementary

#2B4BB2 #B24E2B #8EB22B

monochromatic

#13214F #1F3681 #2B4BB2 #4869D3 #7991DF

Accessibility & contrast

On white

7.63

#2B4BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2B4BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BB2

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BB2	#FFFFFF	#000000	##FFFFFF
##2B4BB2	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB5

Deuteranopia (green-blind)

#004DB0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4bb2;
/* rgb */ color: rgb(43, 75, 178);
/* oklch */ color: oklch(45.4% 0.168 266.5);

Tailwind

colors: {
  custom: {
    50: '#787cca',
    500: '#2b4bb2',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bb2;
$custom-light: #787cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bb2",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 178
  },
  "hsl": {
    "h": 225.778,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45362,
    "c": 0.16809,
    "h": 266.5
  },
  "luminance": 0.0876
}

Semantic roles & 50–950 ramp

primary

#2B4BB2

secondary

#C7B372

accent

#BE44E4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4BB2

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

Preview Lab → · Contrast checker → · Palette generator →