#2B4891#2B4891

#2B4891 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.1% C 0.126 H 265.1°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#2B4891
RGB	rgb(43, 72, 145)
HSL	hsl(223, 54%, 37%)
HSV	hsv(223, 70%, 57%)
CMYK	cmyk(70.3%, 50.3%, 0%, 43.1%)
CIE-LAB	lab(32.24, 14.99, -43.60)
CIE-LCH	lch(32.24, 46.10, 288.97°)
OKLab	oklab(42.11% -0.0106 -0.1251)
OKLCH	oklch(42.11% 0.126 265.1)
XYZ	xyz(8.4227, 7.1918, 27.7269)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4891 #91742B

analogous

#2B7B91 #2B4891 #412B91

triadic

#2B4891 #912B48 #48912B

tetradic

#2B4891 #912B7B #91742B #2B9141

square

#2B4891 #912B7B #91742B #2B9141

split-complementary

#2B4891 #91412B #7B912B

monochromatic

#0F1933 #1D3162 #2B4891 #395FC0 #6584D1

Accessibility & contrast

On white

8.61

#2B4891 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2B4891 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4891

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4891	#FFFFFF	#000000	##FFFFFF
##2B4891	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5194

Deuteranopia (green-blind)

#004790

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b4891;
/* rgb */ color: rgb(43, 72, 145);
/* oklch */ color: oklch(42.1% 0.126 265.1);

Tailwind

colors: {
  custom: {
    50: '#717ab2',
    500: '#2b4891',
    950: '#000000',
  },
}

SCSS

$custom: #2b4891;
$custom-light: #717ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4891",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 145
  },
  "hsl": {
    "h": 222.941,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42113,
    "c": 0.12551,
    "h": 265.1
  },
  "luminance": 0.07193
}

Semantic roles & 50–950 ramp

primary

#2B4891

secondary

#B89F60

accent

#B44ADE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2B4891

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

Preview Lab → · Contrast checker → · Palette generator →