#3F2FB4#3F2FB4

#3F2FB4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 42.0% C 0.198 H 279.0°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FB4
RGB	rgb(63, 47, 180)
HSL	hsl(247, 59%, 45%)
HSV	hsv(247, 74%, 71%)
CMYK	cmyk(65%, 73.9%, 0%, 29.4%)
CIE-LAB	lab(30.36, 46.04, -67.71)
CIE-LCH	lch(30.36, 81.88, 304.21°)
OKLab	oklab(41.97% 0.031 -0.1955)
OKLCH	oklch(41.97% 0.198 279)
XYZ	xyz(11.3020, 6.3842, 43.8078)
Luminance	0.0639 (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

#3F2FB4 #A4B42F

analogous

#2F62B4 #3F2FB4 #822FB4

triadic

#3F2FB4 #B43F2F #2FB43F

tetradic

#3F2FB4 #B42F62 #A4B42F #2FB482

square

#3F2FB4 #B42F62 #A4B42F #2FB482

split-complementary

#3F2FB4 #B4822F #62B42F

monochromatic

#1D1653 #2E2283 #3F2FB4 #5F4FD1 #8B80DE

Accessibility & contrast

On white

9.22

#3F2FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3F2FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FB4

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FB4	#FFFFFF	#000000	##FFFFFF
##3F2FB4	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB8

Deuteranopia (green-blind)

#0042B2

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f2fb4;
/* rgb */ color: rgb(63, 47, 180);
/* oklch */ color: oklch(42.0% 0.198 279.0);

Tailwind

colors: {
  custom: {
    50: '#836acc',
    500: '#3f2fb4',
    950: '#000000',
  },
}

SCSS

$custom: #3f2fb4;
$custom-light: #836acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2fb4",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 180
  },
  "hsl": {
    "h": 247.218,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41969,
    "c": 0.19792,
    "h": 279
  },
  "luminance": 0.06385
}

Semantic roles & 50–950 ramp

primary

#3F2FB4

secondary

#BDC778

accent

#E246CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3F2FB4

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

Preview Lab → · Contrast checker → · Palette generator →