#2B47AB#2B47AB

#2B47AB is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.0% C 0.164 H 267.3°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B47AB
RGB	rgb(43, 71, 171)
HSL	hsl(227, 60%, 42%)
HSV	hsv(227, 75%, 67%)
CMYK	cmyk(74.9%, 58.5%, 0%, 32.9%)
CIE-LAB	lab(33.90, 25.58, -56.61)
CIE-LCH	lch(33.90, 62.12, 294.32°)
OKLab	oklab(43.98% -0.0077 -0.1633)
OKLCH	oklch(43.98% 0.164 267.3)
XYZ	xyz(10.5976, 7.9592, 39.4979)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B47AB #AB8F2B

analogous

#2B87AB #2B47AB #4F2BAB

triadic

#2B47AB #AB2B47 #47AB2B

tetradic

#2B47AB #AB2B87 #AB8F2B #2BAB4F

square

#2B47AB #AB2B87 #AB8F2B #2BAB4F

split-complementary

#2B47AB #AB4F2B #87AB2B

monochromatic

#121E49 #1F337A #2B47AB #4362D0 #748BDC

Accessibility & contrast

On white

8.10

#2B47AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2B47AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B47AB

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B47AB	#FFFFFF	#000000	##FFFFFF
##2B47AB	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AE

Deuteranopia (green-blind)

#004AA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b47ab;
/* rgb */ color: rgb(43, 71, 171);
/* oklch */ color: oklch(44.0% 0.164 267.3);

Tailwind

colors: {
  custom: {
    50: '#7779c5',
    500: '#2b47ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b47ab;
$custom-light: #7779c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b47ab",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 171
  },
  "hsl": {
    "h": 226.875,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43977,
    "c": 0.16353,
    "h": 267.3
  },
  "luminance": 0.0796
}

Semantic roles & 50–950 ramp

primary

#2B47AB

secondary

#C4B16E

accent

#C045E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B47AB

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

Preview Lab → · Contrast checker → · Palette generator →