#2B4471#2B4471

#2B4471 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.0% C 0.083 H 261.4°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B4471
RGB	rgb(43, 68, 113)
HSL	hsl(219, 45%, 31%)
HSV	hsv(219, 62%, 44%)
CMYK	cmyk(61.9%, 39.8%, 0%, 55.7%)
CIE-LAB	lab(29.00, 5.58, -28.88)
CIE-LCH	lch(29.00, 29.41, 280.93°)
OKLab	oklab(38.97% -0.0124 -0.0819)
OKLCH	oklch(38.97% 0.083 261.4)
XYZ	xyz(6.0430, 5.8396, 16.4283)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4471 #71582B

analogous

#2B6771 #2B4471 #352B71

triadic

#2B4471 #712B44 #44712B

tetradic

#2B4471 #712B67 #71582B #2B7135

square

#2B4471 #712B67 #71582B #2B7135

split-complementary

#2B4471 #71352B #67712B

monochromatic

#090F18 #1A2945 #2B4471 #3C5F9D #577CBF

Accessibility & contrast

On white

9.69

#2B4471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2B4471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4471

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4471	#FFFFFF	#000000	##FFFFFF
##2B4471	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314873

Deuteranopia (green-blind)

#284170

Tritanopia (blue-blind)

#004E55

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b4471;
/* rgb */ color: rgb(43, 68, 113);
/* oklch */ color: oklch(39.0% 0.083 261.4);

Tailwind

colors: {
  custom: {
    50: '#6b779a',
    500: '#2b4471',
    950: '#000000',
  },
}

SCSS

$custom: #2b4471;
$custom-light: #6b779a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4471",
  "rgb": {
    "r": 43,
    "g": 68,
    "b": 113
  },
  "hsl": {
    "h": 218.571,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.38967,
    "c": 0.08285,
    "h": 261.4
  },
  "luminance": 0.0584
}

Semantic roles & 50–950 ramp

primary

#2B4471

secondary

#A38755

accent

#A653D5

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2B4471

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

Preview Lab → · Contrast checker → · Palette generator →