#2B4BAD#2B4BAD

#2B4BAD is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.9% C 0.161 H 266.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BAD
RGB	rgb(43, 75, 173)
HSL	hsl(225, 60%, 42%)
HSV	hsv(225, 75%, 68%)
CMYK	cmyk(75.1%, 56.6%, 0%, 32.2%)
CIE-LAB	lab(35.13, 23.68, -55.80)
CIE-LCH	lch(35.13, 60.62, 292.99°)
OKLab	oklab(44.95% -0.0106 -0.1609)
OKLCH	oklch(44.95% 0.161 266.2)
XYZ	xyz(11.0525, 8.5617, 40.5971)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BAD #AD8D2B

analogous

#2B8CAD #2B4BAD #4C2BAD

triadic

#2B4BAD #AD2B4B #4BAD2B

tetradic

#2B4BAD #AD2B8C #AD8D2B #2BAD4C

square

#2B4BAD #AD2B8C #AD8D2B #2BAD4C

split-complementary

#2B4BAD #AD4C2B #8CAD2B

monochromatic

#13204B #1F367C #2B4BAD #4567D1 #768FDD

Accessibility & contrast

On white

7.74

#2B4BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#2B4BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BAD

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BAD	#FFFFFF	#000000	##FFFFFF
##2B4BAD	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B0

Deuteranopia (green-blind)

#004DAB

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b4bad;
/* rgb */ color: rgb(43, 75, 173);
/* oklch */ color: oklch(44.9% 0.161 266.2);

Tailwind

colors: {
  custom: {
    50: '#777cc6',
    500: '#2b4bad',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bad;
$custom-light: #777cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bad",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 173
  },
  "hsl": {
    "h": 225.231,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.44948,
    "c": 0.16127,
    "h": 266.2
  },
  "luminance": 0.08563
}

Semantic roles & 50–950 ramp

primary

#2B4BAD

secondary

#C4B06F

accent

#BC44E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4BAD

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

Preview Lab → · Contrast checker → · Palette generator →