#3F2CBB#3F2CBB

#3F2CBB is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.3% C 0.209 H 278.6°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CBB
RGB	rgb(63, 44, 187)
HSL	hsl(248, 62%, 45%)
HSV	hsv(248, 76%, 73%)
CMYK	cmyk(66.3%, 76.5%, 0%, 26.7%)
CIE-LAB	lab(30.51, 49.79, -71.63)
CIE-LCH	lch(30.51, 87.23, 304.80°)
OKLab	oklab(42.28% 0.0311 -0.2069)
OKLCH	oklch(42.28% 0.209 278.6)
XYZ	xyz(11.9173, 6.4450, 47.6201)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 3.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2CBB #A8BB2C

analogous

#2C60BB #3F2CBB #862CBB

triadic

#3F2CBB #BB3F2C #2CBB3F

tetradic

#3F2CBB #BB2C60 #A8BB2C #2CBB86

square

#3F2CBB #BB2C60 #A8BB2C #2CBB86

split-complementary

#3F2CBB #BB862C #60BB2C

monochromatic

#1E1558 #2E2089 #3F2CBB #614FD6 #8D80E1

Accessibility & contrast

On white

9.17

#3F2CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3F2CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CBB

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CBB	#FFFFFF	#000000	##FFFFFF
##3F2CBB	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBF

Deuteranopia (green-blind)

#0042B8

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f2cbb;
/* rgb */ color: rgb(63, 44, 187);
/* oklch */ color: oklch(42.3% 0.209 278.6);

Tailwind

colors: {
  custom: {
    50: '#8569d1',
    500: '#3f2cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3f2cbb;
$custom-light: #8569d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2cbb",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 187
  },
  "hsl": {
    "h": 247.972,
    "s": 61.905,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42284,
    "c": 0.20919,
    "h": 278.6
  },
  "luminance": 0.06446
}

Semantic roles & 50–950 ramp

primary

#3F2CBB

secondary

#BFCA79

accent

#E543CF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3F2CBB

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

Preview Lab → · Contrast checker → · Palette generator →