#3F2DBB#3F2DBB

#3F2DBB is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.4% C 0.208 H 278.4°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DBB
RGB	rgb(63, 45, 187)
HSL	hsl(248, 61%, 45%)
HSV	hsv(248, 76%, 73%)
CMYK	cmyk(66.3%, 75.9%, 0%, 26.7%)
CIE-LAB	lab(30.69, 49.27, -71.33)
CIE-LCH	lch(30.69, 86.69, 304.64°)
OKLab	oklab(42.41% 0.0306 -0.206)
OKLCH	oklch(42.41% 0.208 278.4)
XYZ	xyz(11.9550, 6.5204, 47.6326)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.18

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DBB #A9BB2D

analogous

#2D62BB #3F2DBB #862DBB

triadic

#3F2DBB #BB3F2D #2DBB3F

tetradic

#3F2DBB #BB2D62 #A9BB2D #2DBB86

square

#3F2DBB #BB2D62 #A9BB2D #2DBB86

split-complementary

#3F2DBB #BB862D #62BB2D

monochromatic

#1E1558 #2E218A #3F2DBB #6150D5 #8E82E1

Accessibility & contrast

On white

9.11

#3F2DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3F2DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DBB

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DBB	#FFFFFF	#000000	##FFFFFF
##3F2DBB	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBF

Deuteranopia (green-blind)

#0042B8

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f2dbb;
/* rgb */ color: rgb(63, 45, 187);
/* oklch */ color: oklch(42.4% 0.208 278.4);

Tailwind

colors: {
  custom: {
    50: '#8569d1',
    500: '#3f2dbb',
    950: '#000000',
  },
}

SCSS

$custom: #3f2dbb;
$custom-light: #8569d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2dbb",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 187
  },
  "hsl": {
    "h": 247.606,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42411,
    "c": 0.20826,
    "h": 278.4
  },
  "luminance": 0.06521
}

Semantic roles & 50–950 ramp

primary

#3F2DBB

secondary

#C0CA7A

accent

#E443D0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3F2DBB

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

Preview Lab → · Contrast checker → · Palette generator →