#3F2DB7#3F2DB7

#3F2DB7 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.0% C 0.204 H 278.9°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DB7
RGB	rgb(63, 45, 183)
HSL	hsl(248, 61%, 45%)
HSV	hsv(248, 75%, 72%)
CMYK	cmyk(65.6%, 75.4%, 0%, 28.2%)
CIE-LAB	lab(30.28, 48.04, -69.63)
CIE-LCH	lch(30.28, 84.59, 304.60°)
OKLab	oklab(42% 0.0315 -0.201)
OKLCH	oklch(42% 0.204 278.9)
XYZ	xyz(11.5328, 6.3515, 45.4088)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.00

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DB7 #A5B72D

analogous

#2D60B7 #3F2DB7 #842DB7

triadic

#3F2DB7 #B73F2D #2DB73F

tetradic

#3F2DB7 #B72D60 #A5B72D #2DB784

square

#3F2DB7 #B72D60 #A5B72D #2DB784

split-complementary

#3F2DB7 #B7842D #60B72D

monochromatic

#1D1555 #2E2186 #3F2DB7 #5F4ED3 #8C7FDF

Accessibility & contrast

On white

9.25

#3F2DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3F2DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DB7

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DB7	#FFFFFF	#000000	##FFFFFF
##3F2DB7	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0042B5

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f2db7;
/* rgb */ color: rgb(63, 45, 183);
/* oklch */ color: oklch(42.0% 0.204 278.9);

Tailwind

colors: {
  custom: {
    50: '#8469ce',
    500: '#3f2db7',
    950: '#000000',
  },
}

SCSS

$custom: #3f2db7;
$custom-light: #8469ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2db7",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 183
  },
  "hsl": {
    "h": 247.826,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42003,
    "c": 0.20351,
    "h": 278.9
  },
  "luminance": 0.06352
}

Semantic roles & 50–950 ramp

primary

#3F2DB7

secondary

#BEC878

accent

#E444CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F2DB7

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

Preview Lab → · Contrast checker → · Palette generator →