#2B4173#2B4173

#2B4173 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.090 H 264.6°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B4173
RGB	rgb(43, 65, 115)
HSL	hsl(222, 46%, 31%)
HSV	hsv(222, 63%, 45%)
CMYK	cmyk(62.6%, 43.5%, 0%, 54.9%)
CIE-LAB	lab(28.20, 8.35, -31.42)
CIE-LCH	lch(28.20, 32.52, 284.89°)
OKLab	oklab(38.38% -0.0084 -0.0894)
OKLCH	oklch(38.38% 0.09 264.6)
XYZ	xyz(5.9800, 5.5315, 16.9689)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4173 #735D2B

analogous

#2B6573 #2B4173 #392B73

triadic

#2B4173 #732B41 #41732B

tetradic

#2B4173 #732B65 #735D2B #2B7339

square

#2B4173 #732B65 #735D2B #2B7339

split-complementary

#2B4173 #73392B #65732B

monochromatic

#0A0F1A #1A2846 #2B4173 #3C5AA0 #5878C1

Accessibility & contrast

On white

9.97

#2B4173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2B4173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4173

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4173	#FFFFFF	#000000	##FFFFFF
##2B4173	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4675

Deuteranopia (green-blind)

#213F72

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b4173;
/* rgb */ color: rgb(43, 65, 115);
/* oklch */ color: oklch(38.4% 0.090 264.6);

Tailwind

colors: {
  custom: {
    50: '#6b759b',
    500: '#2b4173',
    950: '#000000',
  },
}

SCSS

$custom: #2b4173;
$custom-light: #6b759b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4173",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 115
  },
  "hsl": {
    "h": 221.667,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38383,
    "c": 0.08979,
    "h": 264.6
  },
  "luminance": 0.05532
}

Semantic roles & 50–950 ramp

primary

#2B4173

secondary

#A58C55

accent

#AD53D5

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2B4173

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

Preview Lab → · Contrast checker → · Palette generator →