#2B3473#2B3473

#2B3473 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.108 H 273.5°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B3473
RGB	rgb(43, 52, 115)
HSL	hsl(233, 46%, 31%)
HSV	hsv(233, 63%, 45%)
CMYK	cmyk(62.6%, 54.8%, 0%, 54.9%)
CIE-LAB	lab(24.34, 17.34, -37.60)
CIE-LCH	lch(24.34, 41.40, 294.75°)
OKLab	oklab(35.45% 0.0066 -0.1077)
OKLCH	oklch(35.45% 0.108 273.5)
XYZ	xyz(5.3177, 4.2070, 16.7481)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3473 #736A2B

analogous

#2B5873 #2B3473 #462B73

triadic

#2B3473 #732B34 #34732B

tetradic

#2B3473 #732B58 #736A2B #2B7346

square

#2B3473 #732B58 #736A2B #2B7346

split-complementary

#2B3473 #73462B #58732B

monochromatic

#0A0C1A #1A2046 #2B3473 #3C48A0 #5865C1

Accessibility & contrast

On white

11.40

#2B3473 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2B3473 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3473

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3473	#FFFFFF	#000000	##FFFFFF
##2B3473	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3D75

Deuteranopia (green-blind)

#003772

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b3473;
/* rgb */ color: rgb(43, 52, 115);
/* oklch */ color: oklch(35.4% 0.108 273.5);

Tailwind

colors: {
  custom: {
    50: '#6c6b9c',
    500: '#2b3473',
    950: '#000000',
  },
}

SCSS

$custom: #2b3473;
$custom-light: #6c6b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3473",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 115
  },
  "hsl": {
    "h": 232.5,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35446,
    "c": 0.10792,
    "h": 273.5
  },
  "luminance": 0.04207
}

Semantic roles & 50–950 ramp

primary

#2B3473

secondary

#A59B55

accent

#C553D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3473

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

Preview Lab → · Contrast checker → · Palette generator →