#2B4573#2B4573

#2B4573 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.3% C 0.085 H 261.1°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B4573
RGB	rgb(43, 69, 115)
HSL	hsl(218, 46%, 31%)
HSV	hsv(218, 63%, 45%)
CMYK	cmyk(62.6%, 40%, 0%, 54.9%)
CIE-LAB	lab(29.43, 5.65, -29.47)
CIE-LCH	lch(29.43, 30.00, 280.85°)
OKLab	oklab(39.34% -0.0131 -0.0836)
OKLCH	oklch(39.34% 0.085 261.1)
XYZ	xyz(6.2178, 6.0071, 17.0482)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4573 #73592B

analogous

#2B6973 #2B4573 #352B73

triadic

#2B4573 #732B45 #45732B

tetradic

#2B4573 #732B69 #73592B #2B7335

square

#2B4573 #732B69 #73592B #2B7335

split-complementary

#2B4573 #73352B #69732B

monochromatic

#0A101A #1A2A46 #2B4573 #3C60A0 #587EC1

Accessibility & contrast

On white

9.54

#2B4573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B4573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4573

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4573	#FFFFFF	#000000	##FFFFFF
##2B4573	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314975

Deuteranopia (green-blind)

#284272

Tritanopia (blue-blind)

#004F56

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b4573;
/* rgb */ color: rgb(43, 69, 115);
/* oklch */ color: oklch(39.3% 0.085 261.1);

Tailwind

colors: {
  custom: {
    50: '#6b789b',
    500: '#2b4573',
    950: '#000000',
  },
}

SCSS

$custom: #2b4573;
$custom-light: #6b789b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4573",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 115
  },
  "hsl": {
    "h": 218.333,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39336,
    "c": 0.08465,
    "h": 261.1
  },
  "luminance": 0.06008
}

Semantic roles & 50–950 ramp

primary

#2B4573

secondary

#A58855

accent

#A653D5

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2B4573

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

Preview Lab → · Contrast checker → · Palette generator →