#3F2DBC#3F2DBC

#3F2DBC is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.209 H 278.3°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DBC
RGB	rgb(63, 45, 188)
HSL	hsl(248, 61%, 46%)
HSV	hsv(248, 76%, 74%)
CMYK	cmyk(66.5%, 76.1%, 0%, 26.3%)
CIE-LAB	lab(30.79, 49.58, -71.75)
CIE-LCH	lch(30.79, 87.21, 304.64°)
OKLab	oklab(42.51% 0.0303 -0.2072)
OKLCH	oklch(42.51% 0.209 278.3)
XYZ	xyz(12.0625, 6.5634, 48.1984)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DBC #AABC2D

analogous

#2D63BC #3F2DBC #862DBC

triadic

#3F2DBC #BC3F2D #2DBC3F

tetradic

#3F2DBC #BC2D63 #AABC2D #2DBC86

square

#3F2DBC #BC2D63 #AABC2D #2DBC86

split-complementary

#3F2DBC #BC862D #63BC2D

monochromatic

#1E1559 #2E218B #3F2DBC #6251D5 #8E82E1

Accessibility & contrast

On white

9.08

#3F2DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3F2DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DBC

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DBC	#FFFFFF	#000000	##FFFFFF
##3F2DBC	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC0

Deuteranopia (green-blind)

#0043B9

Tritanopia (blue-blind)

#005773

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f2dbc;
/* rgb */ color: rgb(63, 45, 188);
/* oklch */ color: oklch(42.5% 0.209 278.3);

Tailwind

colors: {
  custom: {
    50: '#8569d1',
    500: '#3f2dbc',
    950: '#000000',
  },
}

SCSS

$custom: #3f2dbc;
$custom-light: #8569d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2dbc",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 188
  },
  "hsl": {
    "h": 247.552,
    "s": 61.373,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42513,
    "c": 0.20945,
    "h": 278.3
  },
  "luminance": 0.06564
}

Semantic roles & 50–950 ramp

primary

#3F2DBC

secondary

#C0CA7B

accent

#E443D0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3F2DBC

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

Preview Lab → · Contrast checker → · Palette generator →