#3F2CB7#3F2CB7

#3F2CB7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.9% C 0.204 H 279.0°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CB7
RGB	rgb(63, 44, 183)
HSL	hsl(248, 61%, 45%)
HSV	hsv(248, 76%, 72%)
CMYK	cmyk(65.6%, 76%, 0%, 28.2%)
CIE-LAB	lab(30.10, 48.56, -69.93)
CIE-LCH	lch(30.10, 85.14, 304.78°)
OKLab	oklab(41.87% 0.0321 -0.2019)
OKLCH	oklch(41.87% 0.204 279)
XYZ	xyz(11.4951, 6.2761, 45.3962)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 3.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2CB7 #A4B72C

analogous

#2C5FB7 #3F2CB7 #842CB7

triadic

#3F2CB7 #B73F2C #2CB73F

tetradic

#3F2CB7 #B72C5F #A4B72C #2CB784

square

#3F2CB7 #B72C5F #A4B72C #2CB784

split-complementary

#3F2CB7 #B7842C #5FB72C

monochromatic

#1D1454 #2E2086 #3F2CB7 #5F4CD4 #8B7EE0

Accessibility & contrast

On white

9.31

#3F2CB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3F2CB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CB7

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CB7	#FFFFFF	#000000	##FFFFFF
##3F2CB7	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f2cb7;
/* rgb */ color: rgb(63, 44, 183);
/* oklch */ color: oklch(41.9% 0.204 279.0);

Tailwind

colors: {
  custom: {
    50: '#8468ce',
    500: '#3f2cb7',
    950: '#000000',
  },
}

SCSS

$custom: #3f2cb7;
$custom-light: #8468ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2cb7",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 183
  },
  "hsl": {
    "h": 248.201,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41873,
    "c": 0.20447,
    "h": 279
  },
  "luminance": 0.06277
}

Semantic roles & 50–950 ramp

primary

#3F2CB7

secondary

#BDC876

accent

#E443CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F2CB7

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

Preview Lab → · Contrast checker → · Palette generator →