#3F2BB1#3F2BB1

#3F2BB1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.1% C 0.198 H 279.9°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F2BB1
RGB	rgb(63, 43, 177)
HSL	hsl(249, 61%, 43%)
HSV	hsv(249, 76%, 69%)
CMYK	cmyk(64.4%, 75.7%, 0%, 30.6%)
CIE-LAB	lab(29.31, 47.24, -67.66)
CIE-LCH	lch(29.31, 82.52, 304.92°)
OKLab	oklab(41.13% 0.0342 -0.1953)
OKLCH	oklch(41.13% 0.198 279.9)
XYZ	xyz(10.8471, 5.9580, 42.1648)
Luminance	0.0596 (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

#3F2BB1 #9DB12B

analogous

#2B5AB1 #3F2BB1 #822BB1

triadic

#3F2BB1 #B13F2B #2BB13F

tetradic

#3F2BB1 #B12B5A #9DB12B #2BB182

square

#3F2BB1 #B12B5A #9DB12B #2BB182

split-complementary

#3F2BB1 #B1822B #5AB12B

monochromatic

#1C134F #2D1F80 #3F2BB1 #5C47D2 #8778DE

Accessibility & contrast

On white

9.58

#3F2BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3F2BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2BB1

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2BB1	#FFFFFF	#000000	##FFFFFF
##3F2BB1	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	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: #3f2bb1;
/* rgb */ color: rgb(63, 43, 177);
/* oklch */ color: oklch(41.1% 0.198 279.9);

Tailwind

colors: {
  custom: {
    50: '#8367ca',
    500: '#3f2bb1',
    950: '#000000',
  },
}

SCSS

$custom: #3f2bb1;
$custom-light: #8367ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2bb1",
  "rgb": {
    "r": 63,
    "g": 43,
    "b": 177
  },
  "hsl": {
    "h": 248.955,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41134,
    "c": 0.19828,
    "h": 279.9
  },
  "luminance": 0.05959
}

Semantic roles & 50–950 ramp

primary

#3F2BB1

secondary

#BAC672

accent

#E444CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2BB1

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

Preview Lab → · Contrast checker → · Palette generator →