#3F2DBA#3F2DBA

#3F2DBA is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.3% C 0.207 H 278.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DBA
RGB	rgb(63, 45, 186)
HSL	hsl(248, 61%, 45%)
HSV	hsv(248, 76%, 73%)
CMYK	cmyk(66.1%, 75.8%, 0%, 27.1%)
CIE-LAB	lab(30.59, 48.97, -70.90)
CIE-LCH	lch(30.59, 86.17, 304.63°)
OKLab	oklab(42.31% 0.0308 -0.2048)
OKLCH	oklch(42.31% 0.207 278.6)
XYZ	xyz(11.8484, 6.4777, 47.0708)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.13

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DBA #A8BA2D

analogous

#2D61BA #3F2DBA #862DBA

triadic

#3F2DBA #BA3F2D #2DBA3F

tetradic

#3F2DBA #BA2D61 #A8BA2D #2DBA86

square

#3F2DBA #BA2D61 #A8BA2D #2DBA86

split-complementary

#3F2DBA #BA862D #61BA2D

monochromatic

#1E1557 #2E2189 #3F2DBA #6150D5 #8D81E0

Accessibility & contrast

On white

9.15

#3F2DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3F2DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DBA

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DBA	#FFFFFF	#000000	##FFFFFF
##3F2DBA	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBE

Deuteranopia (green-blind)

#0042B7

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f2dba;
/* rgb */ color: rgb(63, 45, 186);
/* oklch */ color: oklch(42.3% 0.207 278.6);

Tailwind

colors: {
  custom: {
    50: '#8569d0',
    500: '#3f2dba',
    950: '#000000',
  },
}

SCSS

$custom: #3f2dba;
$custom-light: #8569d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2dba",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 186
  },
  "hsl": {
    "h": 247.66,
    "s": 61.039,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42308,
    "c": 0.20708,
    "h": 278.6
  },
  "luminance": 0.06479
}

Semantic roles & 50–950 ramp

primary

#3F2DBA

secondary

#BFC979

accent

#E444D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F2DBA

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

Preview Lab → · Contrast checker → · Palette generator →