#2B4191#2B4191

#2B4191 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.135 H 268.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B4191
RGB	rgb(43, 65, 145)
HSL	hsl(227, 54%, 37%)
HSV	hsv(227, 70%, 57%)
CMYK	cmyk(70.3%, 55.2%, 0%, 43.1%)
CIE-LAB	lab(30.25, 19.73, -46.81)
CIE-LCH	lch(30.25, 50.80, 292.86°)
OKLab	oklab(40.6% -0.0041 -0.1346)
OKLCH	oklch(40.6% 0.135 268.2)
XYZ	xyz(7.9956, 6.3377, 27.5845)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4191 #917B2B

analogous

#2B7491 #2B4191 #482B91

triadic

#2B4191 #912B41 #41912B

tetradic

#2B4191 #912B74 #917B2B #2B9148

square

#2B4191 #912B74 #917B2B #2B9148

split-complementary

#2B4191 #91482B #74912B

monochromatic

#0F1733 #1D2C62 #2B4191 #3956C0 #657CD1

Accessibility & contrast

On white

9.26

#2B4191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B4191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4191

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4191	#FFFFFF	#000000	##FFFFFF
##2B4191	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044C94

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4191;
/* rgb */ color: rgb(43, 65, 145);
/* oklch */ color: oklch(40.6% 0.135 268.2);

Tailwind

colors: {
  custom: {
    50: '#7275b2',
    500: '#2b4191',
    950: '#000000',
  },
}

SCSS

$custom: #2b4191;
$custom-light: #7275b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4191",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 145
  },
  "hsl": {
    "h": 227.059,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40604,
    "c": 0.1347,
    "h": 268.2
  },
  "luminance": 0.06339
}

Semantic roles & 50–950 ramp

primary

#2B4191

secondary

#B8A560

accent

#BE4ADE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B4191

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

Preview Lab → · Contrast checker → · Palette generator →