#2B3873#2B3873

#2B3873 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.102 H 271.2°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B3873
RGB	rgb(43, 56, 115)
HSL	hsl(229, 46%, 31%)
HSV	hsv(229, 63%, 45%)
CMYK	cmyk(62.6%, 51.3%, 0%, 54.9%)
CIE-LAB	lab(25.50, 14.56, -35.74)
CIE-LCH	lch(25.50, 38.59, 292.16°)
OKLab	oklab(36.32% 0.0021 -0.1022)
OKLCH	oklch(36.32% 0.102 271.2)
XYZ	xyz(5.5039, 4.5793, 16.8102)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3873 #73662B

analogous

#2B5C73 #2B3873 #422B73

triadic

#2B3873 #732B38 #38732B

tetradic

#2B3873 #732B5C #73662B #2B7342

square

#2B3873 #732B5C #73662B #2B7342

split-complementary

#2B3873 #73422B #5C732B

monochromatic

#0A0D1A #1A2246 #2B3873 #3C4EA0 #586BC1

Accessibility & contrast

On white

10.96

#2B3873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B3873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3873

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3873	#FFFFFF	#000000	##FFFFFF
##2B3873	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4075

Deuteranopia (green-blind)

#0C3972

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b3873;
/* rgb */ color: rgb(43, 56, 115);
/* oklch */ color: oklch(36.3% 0.102 271.2);

Tailwind

colors: {
  custom: {
    50: '#6c6e9c',
    500: '#2b3873',
    950: '#000000',
  },
}

SCSS

$custom: #2b3873;
$custom-light: #6c6e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3873",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 115
  },
  "hsl": {
    "h": 229.167,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3632,
    "c": 0.10221,
    "h": 271.2
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary

#2B3873

secondary

#A59655

accent

#BE53D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2B3873

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

Preview Lab → · Contrast checker → · Palette generator →