#2F3CAD#2F3CAD

#2F3CAD is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.179 H 271.2°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CAD
RGB	rgb(47, 60, 173)
HSL	hsl(234, 57%, 43%)
HSV	hsv(234, 73%, 68%)
CMYK	cmyk(72.8%, 65.3%, 0%, 32.2%)
CIE-LAB	lab(31.47, 34.00, -61.76)
CIE-LCH	lch(31.47, 70.50, 298.83°)
OKLab	oklab(42.29% 0.0039 -0.1785)
OKLCH	oklch(42.29% 0.179 271.2)
XYZ	xyz(10.3284, 6.8521, 40.3053)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CAD #ADA02F

analogous

#2F7BAD #2F3CAD #612FAD

triadic

#2F3CAD #AD2F3C #3CAD2F

tetradic

#2F3CAD #AD2F7B #ADA02F #2FAD61

square

#2F3CAD #AD2F7B #ADA02F #2FAD61

split-complementary

#2F3CAD #AD612F #7BAD2F

monochromatic

#151B4D #222B7D #2F3CAD #4B59CE #7B85DB

Accessibility & contrast

On white

8.86

#2F3CAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2F3CAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CAD

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CAD	#FFFFFF	#000000	##FFFFFF
##2F3CAD	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B1

Deuteranopia (green-blind)

#0044AB

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3cad;
/* rgb */ color: rgb(47, 60, 173);
/* oklch */ color: oklch(42.3% 0.179 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a72c6',
    500: '#2f3cad',
    950: '#000000',
  },
}

SCSS

$custom: #2f3cad;
$custom-light: #7a72c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3cad",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 173
  },
  "hsl": {
    "h": 233.81,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42286,
    "c": 0.17854,
    "h": 271.2
  },
  "luminance": 0.06853
}

Semantic roles & 50–950 ramp

primary

#2F3CAD

secondary

#C4BB74

accent

#D147E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3CAD

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

Preview Lab → · Contrast checker → · Palette generator →