#3F2CB1#3F2CB1

#3F2CB1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.3% C 0.197 H 279.8°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CB1
RGB	rgb(63, 44, 177)
HSL	hsl(249, 60%, 43%)
HSV	hsv(249, 75%, 69%)
CMYK	cmyk(64.4%, 75.1%, 0%, 30.6%)
CIE-LAB	lab(29.49, 46.72, -67.36)
CIE-LCH	lch(29.49, 81.97, 304.74°)
OKLab	oklab(41.27% 0.0336 -0.1944)
OKLCH	oklch(41.27% 0.197 279.8)
XYZ	xyz(10.8839, 6.0316, 42.1771)
Luminance	0.0603 (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

#3F2CB1 #9EB12C

analogous

#2C5CB1 #3F2CB1 #812CB1

triadic

#3F2CB1 #B13F2C #2CB13F

tetradic

#3F2CB1 #B12C5C #9EB12C #2CB181

square

#3F2CB1 #B12C5C #9EB12C #2CB181

split-complementary

#3F2CB1 #B1812C #5CB12C

monochromatic

#1C144F #2E2080 #3F2CB1 #5C49D2 #887ADE

Accessibility & contrast

On white

9.52

#3F2CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3F2CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CB1

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CB1	#FFFFFF	#000000	##FFFFFF
##3F2CB1	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB5

Deuteranopia (green-blind)

#0040AF

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f2cb1;
/* rgb */ color: rgb(63, 44, 177);
/* oklch */ color: oklch(41.3% 0.197 279.8);

Tailwind

colors: {
  custom: {
    50: '#8368ca',
    500: '#3f2cb1',
    950: '#000000',
  },
}

SCSS

$custom: #3f2cb1;
$custom-light: #8368ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2cb1",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 177
  },
  "hsl": {
    "h": 248.571,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41265,
    "c": 0.19729,
    "h": 279.8
  },
  "luminance": 0.06032
}

Semantic roles & 50–950 ramp

primary

#3F2CB1

secondary

#BAC673

accent

#E344CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2CB1

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

Preview Lab → · Contrast checker → · Palette generator →