#2F47AB#2F47AB

#2F47AB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.162 H 268.6°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#2F47AB
RGB	rgb(47, 71, 171)
HSL	hsl(228, 57%, 43%)
HSV	hsv(228, 73%, 67%)
CMYK	cmyk(72.5%, 58.5%, 0%, 32.9%)
CIE-LAB	lab(34.09, 26.09, -56.29)
CIE-LCH	lch(34.09, 62.04, 294.87°)
OKLab	oklab(44.17% -0.004 -0.1623)
OKLCH	oklch(44.17% 0.162 268.6)
XYZ	xyz(10.7737, 8.0500, 39.5062)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47AB #AB932F

analogous

#2F85AB #2F47AB #552FAB

triadic

#2F47AB #AB2F47 #47AB2F

tetradic

#2F47AB #AB2F85 #AB932F #2FAB55

square

#2F47AB #AB2F85 #AB932F #2FAB55

split-complementary

#2F47AB #AB552F #85AB2F

monochromatic

#151F4B #22337B #2F47AB #4A63CD #7A8DDA

Accessibility & contrast

On white

8.05

#2F47AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#2F47AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47AB

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47AB	#FFFFFF	#000000	##FFFFFF
##2F47AB	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AE

Deuteranopia (green-blind)

#004BA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f47ab;
/* rgb */ color: rgb(47, 71, 171);
/* oklch */ color: oklch(44.2% 0.162 268.6);

Tailwind

colors: {
  custom: {
    50: '#7979c5',
    500: '#2f47ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f47ab;
$custom-light: #7979c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47ab",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 171
  },
  "hsl": {
    "h": 228.387,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4417,
    "c": 0.16239,
    "h": 268.6
  },
  "luminance": 0.08051
}

Semantic roles & 50–950 ramp

primary

#2F47AB

secondary

#C3B373

accent

#C348E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F47AB

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

Preview Lab → · Contrast checker → · Palette generator →