#2F3FAA#2F3FAA

#2F3FAA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.171 H 270.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FAA
RGB	rgb(47, 63, 170)
HSL	hsl(232, 57%, 43%)
HSV	hsv(232, 72%, 67%)
CMYK	cmyk(72.4%, 62.9%, 0%, 33.3%)
CIE-LAB	lab(31.94, 30.97, -59.19)
CIE-LCH	lch(31.94, 66.80, 297.62°)
OKLab	oklab(42.56% 0.0019 -0.1709)
OKLCH	oklch(42.56% 0.171 270.6)
XYZ	xyz(10.2030, 7.0606, 38.8475)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3FAA #AA9A2F

analogous

#2F7DAA #2F3FAA #5C2FAA

triadic

#2F3FAA #AA2F3F #3FAA2F

tetradic

#2F3FAA #AA2F7D #AA9A2F #2FAA5C

square

#2F3FAA #AA2F7D #AA9A2F #2FAA5C

split-complementary

#2F3FAA #AA5C2F #7DAA2F

monochromatic

#141B4A #222D7A #2F3FAA #495ACD #7986DA

Accessibility & contrast

On white

8.71

#2F3FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2F3FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FAA

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FAA	#FFFFFF	#000000	##FFFFFF
##2F3FAA	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AD

Deuteranopia (green-blind)

#0046A8

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f3faa;
/* rgb */ color: rgb(47, 63, 170);
/* oklch */ color: oklch(42.6% 0.171 270.6);

Tailwind

colors: {
  custom: {
    50: '#7974c4',
    500: '#2f3faa',
    950: '#000000',
  },
}

SCSS

$custom: #2f3faa;
$custom-light: #7974c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3faa",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 170
  },
  "hsl": {
    "h": 232.195,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42555,
    "c": 0.17094,
    "h": 270.6
  },
  "luminance": 0.07062
}

Semantic roles & 50–950 ramp

primary

#2F3FAA

secondary

#C2B872

accent

#CC48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F3FAA

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

Preview Lab → · Contrast checker → · Palette generator →