#3F2BBB#3F2BBB

#3F2BBB is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.2% C 0.210 H 278.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#3F2BBB
RGB	rgb(63, 43, 187)
HSL	hsl(248, 63%, 45%)
HSV	hsv(248, 77%, 73%)
CMYK	cmyk(66.3%, 77%, 0%, 26.7%)
CIE-LAB	lab(30.33, 50.30, -71.92)
CIE-LCH	lch(30.33, 87.76, 304.97°)
OKLab	oklab(42.16% 0.0317 -0.2077)
OKLCH	oklch(42.16% 0.21 278.7)
XYZ	xyz(11.8805, 6.3714, 47.6078)
Luminance	0.0637 (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

#3F2BBB #A7BB2B

analogous

#2B5FBB #3F2BBB #872BBB

triadic

#3F2BBB #BB3F2B #2BBB3F

tetradic

#3F2BBB #BB2B5F #A7BB2B #2BBB87

square

#3F2BBB #BB2B5F #A7BB2B #2BBB87

split-complementary

#3F2BBB #BB872B #5FBB2B

monochromatic

#1D1457 #2E2089 #3F2BBB #604DD6 #8D7FE2

Accessibility & contrast

On white

9.23

#3F2BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3F2BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2BBB

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2BBB	#FFFFFF	#000000	##FFFFFF
##3F2BBB	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBF

Deuteranopia (green-blind)

#0042B8

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f2bbb;
/* rgb */ color: rgb(63, 43, 187);
/* oklch */ color: oklch(42.2% 0.210 278.7);

Tailwind

colors: {
  custom: {
    50: '#8568d1',
    500: '#3f2bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3f2bbb;
$custom-light: #8568d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2bbb",
  "rgb": {
    "r": 63,
    "g": 43,
    "b": 187
  },
  "hsl": {
    "h": 248.333,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42159,
    "c": 0.21011,
    "h": 278.7
  },
  "luminance": 0.06372
}

Semantic roles & 50–950 ramp

primary

#3F2BBB

secondary

#BFCA78

accent

#E642CF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3F2BBB

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

Preview Lab → · Contrast checker → · Palette generator →