#2B3491#2B3491

#2B3491 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.152 H 272.6°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B3491
RGB	rgb(43, 52, 145)
HSL	hsl(235, 54%, 37%)
HSV	hsv(235, 70%, 57%)
CMYK	cmyk(70.3%, 64.1%, 0%, 43.1%)
CIE-LAB	lab(26.77, 28.50, -52.47)
CIE-LCH	lch(26.77, 59.71, 298.51°)
OKLab	oklab(38.01% 0.0069 -0.1514)
OKLCH	oklch(38.01% 0.152 272.6)
XYZ	xyz(7.3334, 5.0132, 27.3638)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3491 #91882B

analogous

#2B6791 #2B3491 #552B91

triadic

#2B3491 #912B34 #34912B

tetradic

#2B3491 #912B67 #91882B #2B9155

square

#2B3491 #912B67 #91882B #2B9155

split-complementary

#2B3491 #91552B #67912B

monochromatic

#0F1233 #1D2362 #2B3491 #3945C0 #656FD1

Accessibility & contrast

On white

10.49

#2B3491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2B3491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3491

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3491	#FFFFFF	#000000	##FFFFFF
##2B3491	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3491;
/* rgb */ color: rgb(43, 52, 145);
/* oklch */ color: oklch(38.0% 0.152 272.6);

Tailwind

colors: {
  custom: {
    50: '#736bb2',
    500: '#2b3491',
    950: '#000000',
  },
}

SCSS

$custom: #2b3491;
$custom-light: #736bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3491",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 145
  },
  "hsl": {
    "h": 234.706,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38014,
    "c": 0.15157,
    "h": 272.6
  },
  "luminance": 0.05014
}

Semantic roles & 50–950 ramp

primary

#2B3491

secondary

#B8B060

accent

#D14ADE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3491

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

Preview Lab → · Contrast checker → · Palette generator →