#2B4873#2B4873

#2B4873 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.1% C 0.081 H 258.1°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B4873
RGB	rgb(43, 72, 115)
HSL	hsl(216, 46%, 31%)
HSV	hsv(216, 63%, 45%)
CMYK	cmyk(62.6%, 37.4%, 0%, 54.9%)
CIE-LAB	lab(30.37, 3.64, -27.99)
CIE-LCH	lch(30.37, 28.22, 277.41°)
OKLab	oklab(40.06% -0.0167 -0.0793)
OKLCH	oklch(40.06% 0.081 258.1)
XYZ	xyz(6.4070, 6.3856, 17.1112)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4873 #73562B

analogous

#2B6C73 #2B4873 #322B73

triadic

#2B4873 #732B48 #48732B

tetradic

#2B4873 #732B6C #73562B #2B7332

square

#2B4873 #732B6C #73562B #2B7332

split-complementary

#2B4873 #73322B #6C732B

monochromatic

#0A101A #1A2C46 #2B4873 #3C64A0 #5882C1

Accessibility & contrast

On white

9.22

#2B4873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2B4873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4873

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4873	#FFFFFF	#000000	##FFFFFF
##2B4873	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364B75

Deuteranopia (green-blind)

#2C4472

Tritanopia (blue-blind)

#005258

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4873;
/* rgb */ color: rgb(43, 72, 115);
/* oklch */ color: oklch(40.1% 0.081 258.1);

Tailwind

colors: {
  custom: {
    50: '#6b7a9b',
    500: '#2b4873',
    950: '#000000',
  },
}

SCSS

$custom: #2b4873;
$custom-light: #6b7a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4873",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 115
  },
  "hsl": {
    "h": 215.833,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40062,
    "c": 0.08101,
    "h": 258.1
  },
  "luminance": 0.06386
}

Semantic roles & 50–950 ramp

primary

#2B4873

secondary

#A58555

accent

#A153D5

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4873

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

Preview Lab → · Contrast checker → · Palette generator →