#2B347D#2B347D

#2B347D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.123 H 273.3°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B347D
RGB	rgb(43, 52, 125)
HSL	hsl(233, 49%, 33%)
HSV	hsv(233, 66%, 49%)
CMYK	cmyk(65.6%, 58.4%, 0%, 51%)
CIE-LAB	lab(25.11, 21.07, -42.71)
CIE-LCH	lch(25.11, 47.63, 296.26°)
OKLab	oklab(36.26% 0.0071 -0.1228)
OKLCH	oklch(36.26% 0.123 273.3)
XYZ	xyz(5.9247, 4.4497, 19.9447)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B347D #7D742B

analogous

#2B5D7D #2B347D #4B2B7D

triadic

#2B347D #7D2B34 #347D2B

tetradic

#2B347D #7D2B5D #7D742B #2B7D4B

square

#2B347D #7D2B5D #7D742B #2B7D4B

split-complementary

#2B347D #7D4B2B #5D7D2B

monochromatic

#0C0E22 #1B214F #2B347D #3B47AB #5C67C7

Accessibility & contrast

On white

11.11

#2B347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2B347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B347D

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B347D	#FFFFFF	#000000	##FFFFFF
##2B347D	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7F

Deuteranopia (green-blind)

#00387C

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b347d;
/* rgb */ color: rgb(43, 52, 125);
/* oklch */ color: oklch(36.3% 0.123 273.3);

Tailwind

colors: {
  custom: {
    50: '#6e6ba3',
    500: '#2b347d',
    950: '#000000',
  },
}

SCSS

$custom: #2b347d;
$custom-light: #6e6ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b347d",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 233.415,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36258,
    "c": 0.12297,
    "h": 273.3
  },
  "luminance": 0.0445
}

Semantic roles & 50–950 ramp

primary

#2B347D

secondary

#ADA357

accent

#C94FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2B347D

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

Preview Lab → · Contrast checker → · Palette generator →