#2B347C#2B347C

#2B347C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.121 H 273.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#2B347C
RGB	rgb(43, 52, 124)
HSL	hsl(233, 49%, 33%)
HSV	hsv(233, 65%, 49%)
CMYK	cmyk(65.3%, 58.1%, 0%, 51.4%)
CIE-LAB	lab(25.03, 20.70, -42.21)
CIE-LCH	lch(25.03, 47.01, 296.12°)
OKLab	oklab(36.18% 0.0071 -0.1213)
OKLCH	oklch(36.18% 0.121 273.3)
XYZ	xyz(5.8611, 4.4243, 19.6100)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B347C #7C732B

analogous

#2B5D7C #2B347C #4A2B7C

triadic

#2B347C #7C2B34 #347C2B

tetradic

#2B347C #7C2B5D #7C732B #2B7C4A

square

#2B347C #7C2B5D #7C732B #2B7C4A

split-complementary

#2B347C #7C4A2B #5D7C2B

monochromatic

#0B0E21 #1B214F #2B347C #3B47A9 #5B67C6

Accessibility & contrast

On white

11.14

#2B347C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2B347C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B347C

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B347C	#FFFFFF	#000000	##FFFFFF
##2B347C	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00387B

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b347c;
/* rgb */ color: rgb(43, 52, 124);
/* oklch */ color: oklch(36.2% 0.121 273.3);

Tailwind

colors: {
  custom: {
    50: '#6e6ba2',
    500: '#2b347c',
    950: '#000000',
  },
}

SCSS

$custom: #2b347c;
$custom-light: #6e6ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b347c",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 124
  },
  "hsl": {
    "h": 233.333,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36175,
    "c": 0.12148,
    "h": 273.3
  },
  "luminance": 0.04425
}

Semantic roles & 50–950 ramp

primary

#2B347C

secondary

#ACA357

accent

#C950D8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #2B347C

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

Preview Lab → · Contrast checker → · Palette generator →