#2B4791#2B4791

#2B4791 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.9% C 0.127 H 265.6°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B4791
RGB	rgb(43, 71, 145)
HSL	hsl(224, 54%, 37%)
HSV	hsv(224, 70%, 57%)
CMYK	cmyk(70.3%, 51%, 0%, 43.1%)
CIE-LAB	lab(31.95, 15.66, -44.06)
CIE-LCH	lch(31.95, 46.76, 289.57°)
OKLab	oklab(41.89% -0.0097 -0.1264)
OKLCH	oklch(41.89% 0.127 265.6)
XYZ	xyz(8.3585, 7.0636, 27.7055)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4791 #91752B

analogous

#2B7A91 #2B4791 #422B91

triadic

#2B4791 #912B47 #47912B

tetradic

#2B4791 #912B7A #91752B #2B9142

square

#2B4791 #912B7A #91752B #2B9142

split-complementary

#2B4791 #91422B #7A912B

monochromatic

#0F1933 #1D3062 #2B4791 #395EC0 #6583D1

Accessibility & contrast

On white

8.70

#2B4791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2B4791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4791

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4791	#FFFFFF	#000000	##FFFFFF
##2B4791	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5094

Deuteranopia (green-blind)

#00478F

Tritanopia (blue-blind)

#005865

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b4791;
/* rgb */ color: rgb(43, 71, 145);
/* oklch */ color: oklch(41.9% 0.127 265.6);

Tailwind

colors: {
  custom: {
    50: '#7179b2',
    500: '#2b4791',
    950: '#000000',
  },
}

SCSS

$custom: #2b4791;
$custom-light: #7179b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4791",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 145
  },
  "hsl": {
    "h": 223.529,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41893,
    "c": 0.12682,
    "h": 265.6
  },
  "luminance": 0.07064
}

Semantic roles & 50–950 ramp

primary

#2B4791

secondary

#B8A060

accent

#B54ADE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2B4791

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

Preview Lab → · Contrast checker → · Palette generator →