#2F47AA#2F47AA

#2F47AA is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.1% C 0.161 H 268.5°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#2F47AA
RGB	rgb(47, 71, 170)
HSL	hsl(228, 57%, 43%)
HSV	hsv(228, 72%, 67%)
CMYK	cmyk(72.4%, 58.2%, 0%, 33.3%)
CIE-LAB	lab(34.01, 25.72, -55.82)
CIE-LCH	lch(34.01, 61.46, 294.73°)
OKLab	oklab(44.09% -0.0041 -0.161)
OKLCH	oklch(44.09% 0.161 268.5)
XYZ	xyz(10.6787, 8.0120, 39.0061)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47AA #AA922F

analogous

#2F84AA #2F47AA #552FAA

triadic

#2F47AA #AA2F47 #47AA2F

tetradic

#2F47AA #AA2F84 #AA922F #2FAA55

square

#2F47AA #AA2F84 #AA922F #2FAA55

split-complementary

#2F47AA #AA552F #84AA2F

monochromatic

#141F4A #22337A #2F47AA #4963CD #798CDA

Accessibility & contrast

On white

8.07

#2F47AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2F47AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47AA

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47AA	#FFFFFF	#000000	##FFFFFF
##2F47AA	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#004AA8

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f47aa;
/* rgb */ color: rgb(47, 71, 170);
/* oklch */ color: oklch(44.1% 0.161 268.5);

Tailwind

colors: {
  custom: {
    50: '#7879c4',
    500: '#2f47aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f47aa;
$custom-light: #7879c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47aa",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 170
  },
  "hsl": {
    "h": 228.293,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44087,
    "c": 0.16101,
    "h": 268.5
  },
  "luminance": 0.08013
}

Semantic roles & 50–950 ramp

primary

#2F47AA

secondary

#C2B372

accent

#C248E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F47AA

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

Preview Lab → · Contrast checker → · Palette generator →