#2F3CAA#2F3CAA

#2F3CAA is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.175 H 271.3°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CAA
RGB	rgb(47, 60, 170)
HSL	hsl(234, 57%, 43%)
HSV	hsv(234, 72%, 67%)
CMYK	cmyk(72.4%, 64.7%, 0%, 33.3%)
CIE-LAB	lab(31.20, 32.91, -60.40)
CIE-LCH	lch(31.20, 68.79, 298.59°)
OKLab	oklab(42.01% 0.004 -0.1745)
OKLCH	oklch(42.01% 0.175 271.3)
XYZ	xyz(10.0414, 6.7373, 38.7937)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CAA #AA9D2F

analogous

#2F79AA #2F3CAA #602FAA

triadic

#2F3CAA #AA2F3C #3CAA2F

tetradic

#2F3CAA #AA2F79 #AA9D2F #2FAA60

square

#2F3CAA #AA2F79 #AA9D2F #2FAA60

split-complementary

#2F3CAA #AA602F #79AA2F

monochromatic

#141A4A #222B7A #2F3CAA #4957CD #7984DA

Accessibility & contrast

On white

8.95

#2F3CAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F3CAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CAA

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CAA	#FFFFFF	#000000	##FFFFFF
##2F3CAA	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAE

Deuteranopia (green-blind)

#0044A8

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3caa;
/* rgb */ color: rgb(47, 60, 170);
/* oklch */ color: oklch(42.0% 0.175 271.3);

Tailwind

colors: {
  custom: {
    50: '#7972c4',
    500: '#2f3caa',
    950: '#000000',
  },
}

SCSS

$custom: #2f3caa;
$custom-light: #7972c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3caa",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 170
  },
  "hsl": {
    "h": 233.659,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42008,
    "c": 0.17457,
    "h": 271.3
  },
  "luminance": 0.06738
}

Semantic roles & 50–950 ramp

primary

#2F3CAA

secondary

#C2BA72

accent

#D048E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F3CAA

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

Preview Lab → · Contrast checker → · Palette generator →