#2F3CAC#2F3CAC

#2F3CAC is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.177 H 271.3°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CAC
RGB	rgb(47, 60, 172)
HSL	hsl(234, 57%, 43%)
HSV	hsv(234, 73%, 67%)
CMYK	cmyk(72.7%, 65.1%, 0%, 32.5%)
CIE-LAB	lab(31.38, 33.64, -61.31)
CIE-LCH	lch(31.38, 69.93, 298.75°)
OKLab	oklab(42.19% 0.0039 -0.1772)
OKLCH	oklch(42.19% 0.177 271.3)
XYZ	xyz(10.2320, 6.8136, 39.7976)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CAC #AC9F2F

analogous

#2F7AAC #2F3CAC #602FAC

triadic

#2F3CAC #AC2F3C #3CAC2F

tetradic

#2F3CAC #AC2F7A #AC9F2F #2FAC60

square

#2F3CAC #AC2F7A #AC9F2F #2FAC60

split-complementary

#2F3CAC #AC602F #7AAC2F

monochromatic

#151A4C #222B7C #2F3CAC #4B58CE #7B85DB

Accessibility & contrast

On white

8.89

#2F3CAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2F3CAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CAC

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CAC	#FFFFFF	#000000	##FFFFFF
##2F3CAC	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B0

Deuteranopia (green-blind)

#0044AA

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3cac;
/* rgb */ color: rgb(47, 60, 172);
/* oklch */ color: oklch(42.2% 0.177 271.3);

Tailwind

colors: {
  custom: {
    50: '#7a72c6',
    500: '#2f3cac',
    950: '#000000',
  },
}

SCSS

$custom: #2f3cac;
$custom-light: #7a72c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3cac",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 172
  },
  "hsl": {
    "h": 233.76,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42193,
    "c": 0.17722,
    "h": 271.3
  },
  "luminance": 0.06815
}

Semantic roles & 50–950 ramp

primary

#2F3CAC

secondary

#C3BB74

accent

#D047E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3CAC

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

Preview Lab → · Contrast checker → · Palette generator →