#3F2FAA#3F2FAA

#3F2FAA is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.0% C 0.186 H 280.3°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FAA
RGB	rgb(63, 47, 170)
HSL	hsl(248, 57%, 43%)
HSV	hsv(248, 72%, 67%)
CMYK	cmyk(62.9%, 72.4%, 0%, 33.3%)
CIE-LAB	lab(29.39, 42.88, -63.33)
CIE-LCH	lch(29.39, 76.48, 304.10°)
OKLab	oklab(40.99% 0.033 -0.1827)
OKLCH	oklch(40.99% 0.186 280.3)
XYZ	xyz(10.3198, 5.9913, 38.6350)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2FAA #9AAA2F

analogous

#2F5CAA #3F2FAA #7D2FAA

triadic

#3F2FAA #AA3F2F #2FAA3F

tetradic

#3F2FAA #AA2F5C #9AAA2F #2FAA7D

square

#3F2FAA #AA2F5C #9AAA2F #2FAA7D

split-complementary

#3F2FAA #AA7D2F #5CAA2F

monochromatic

#1B144A #2D227A #3F2FAA #5A49CD #8679DA

Accessibility & contrast

On white

9.55

#3F2FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3F2FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FAA

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FAA	#FFFFFF	#000000	##FFFFFF
##3F2FAA	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAE

Deuteranopia (green-blind)

#0041A8

Tritanopia (blue-blind)

#005169

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f2faa;
/* rgb */ color: rgb(63, 47, 170);
/* oklch */ color: oklch(41.0% 0.186 280.3);

Tailwind

colors: {
  custom: {
    50: '#8169c4',
    500: '#3f2faa',
    950: '#000000',
  },
}

SCSS

$custom: #3f2faa;
$custom-light: #8169c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2faa",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 170
  },
  "hsl": {
    "h": 247.805,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40986,
    "c": 0.18564,
    "h": 280.3
  },
  "luminance": 0.05992
}

Semantic roles & 50–950 ramp

primary

#3F2FAA

secondary

#B8C272

accent

#E048CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2FAA

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

Preview Lab → · Contrast checker → · Palette generator →