#3F2FB3#3F2FB3

#3F2FB3 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.9% C 0.197 H 279.1°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FB3
RGB	rgb(63, 47, 179)
HSL	hsl(247, 58%, 44%)
HSV	hsv(247, 74%, 70%)
CMYK	cmyk(64.8%, 73.7%, 0%, 29.8%)
CIE-LAB	lab(30.26, 45.72, -67.28)
CIE-LCH	lch(30.26, 81.35, 304.20°)
OKLab	oklab(41.87% 0.0312 -0.1942)
OKLCH	oklch(41.87% 0.197 279.1)
XYZ	xyz(11.2005, 6.3436, 43.2733)
Luminance	0.0634 (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

#3F2FB3 #A3B32F

analogous

#2F61B3 #3F2FB3 #812FB3

triadic

#3F2FB3 #B33F2F #2FB33F

tetradic

#3F2FB3 #B32F61 #A3B32F #2FB381

square

#3F2FB3 #B32F61 #A3B32F #2FB381

split-complementary

#3F2FB3 #B3812F #61B32F

monochromatic

#1D1652 #2E2283 #3F2FB3 #5E4FD1 #8A7FDD

Accessibility & contrast

On white

9.26

#3F2FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3F2FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FB3

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FB3	#FFFFFF	#000000	##FFFFFF
##3F2FB3	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#0042B1

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f2fb3;
/* rgb */ color: rgb(63, 47, 179);
/* oklch */ color: oklch(41.9% 0.197 279.1);

Tailwind

colors: {
  custom: {
    50: '#836acb',
    500: '#3f2fb3',
    950: '#000000',
  },
}

SCSS

$custom: #3f2fb3;
$custom-light: #836acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2fb3",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 179
  },
  "hsl": {
    "h": 247.273,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41869,
    "c": 0.19671,
    "h": 279.1
  },
  "luminance": 0.06344
}

Semantic roles & 50–950 ramp

primary

#3F2FB3

secondary

#BDC678

accent

#E246CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2FB3

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

Preview Lab → · Contrast checker → · Palette generator →