#2F3FAD#2F3FAD

#2F3FAD is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.175 H 270.6°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FAD
RGB	rgb(47, 63, 173)
HSL	hsl(232, 57%, 43%)
HSV	hsv(232, 73%, 68%)
CMYK	cmyk(72.8%, 63.6%, 0%, 32.2%)
CIE-LAB	lab(32.20, 32.07, -60.56)
CIE-LCH	lch(32.20, 68.52, 297.90°)
OKLab	oklab(42.83% 0.0018 -0.1749)
OKLCH	oklch(42.83% 0.175 270.6)
XYZ	xyz(10.4901, 7.1754, 40.3592)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3FAD #AD9D2F

analogous

#2F7EAD #2F3FAD #5E2FAD

triadic

#2F3FAD #AD2F3F #3FAD2F

tetradic

#2F3FAD #AD2F7E #AD9D2F #2FAD5E

square

#2F3FAD #AD2F7E #AD9D2F #2FAD5E

split-complementary

#2F3FAD #AD5E2F #7EAD2F

monochromatic

#151C4D #222D7D #2F3FAD #4B5CCE #7B87DB

Accessibility & contrast

On white

8.62

#2F3FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2F3FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FAD

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FAD	#FFFFFF	#000000	##FFFFFF
##2F3FAD	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B1

Deuteranopia (green-blind)

#0046AB

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f3fad;
/* rgb */ color: rgb(47, 63, 173);
/* oklch */ color: oklch(42.8% 0.175 270.6);

Tailwind

colors: {
  custom: {
    50: '#7a74c6',
    500: '#2f3fad',
    950: '#000000',
  },
}

SCSS

$custom: #2f3fad;
$custom-light: #7a74c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3fad",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 173
  },
  "hsl": {
    "h": 232.381,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42825,
    "c": 0.17496,
    "h": 270.6
  },
  "luminance": 0.07176
}

Semantic roles & 50–950 ramp

primary

#2F3FAD

secondary

#C4BA74

accent

#CD47E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3FAD

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

Preview Lab → · Contrast checker → · Palette generator →