#3F2DB0#3F2DB0

#3F2DB0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.195 H 279.8°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DB0
RGB	rgb(63, 45, 176)
HSL	hsl(248, 59%, 43%)
HSV	hsv(248, 74%, 69%)
CMYK	cmyk(64.2%, 74.4%, 0%, 31%)
CIE-LAB	lab(29.58, 45.87, -66.61)
CIE-LCH	lch(29.58, 80.88, 304.55°)
OKLab	oklab(41.3% 0.0331 -0.1922)
OKLCH	oklch(41.3% 0.195 279.8)
XYZ	xyz(10.8223, 6.0673, 41.6667)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DB0 #9EB02D

analogous

#2D5CB0 #3F2DB0 #802DB0

triadic

#3F2DB0 #B03F2D #2DB03F

tetradic

#3F2DB0 #B02D5C #9EB02D #2DB080

square

#3F2DB0 #B02D5C #9EB02D #2DB080

split-complementary

#3F2DB0 #B0802D #5CB02D

monochromatic

#1C144F #2E217F #3F2DB0 #5C4AD1 #887ADD

Accessibility & contrast

On white

9.49

#3F2DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3F2DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DB0

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DB0	#FFFFFF	#000000	##FFFFFF
##3F2DB0	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB4

Deuteranopia (green-blind)

#0041AE

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f2db0;
/* rgb */ color: rgb(63, 45, 176);
/* oklch */ color: oklch(41.3% 0.195 279.8);

Tailwind

colors: {
  custom: {
    50: '#8369c9',
    500: '#3f2db0',
    950: '#000000',
  },
}

SCSS

$custom: #3f2db0;
$custom-light: #8369c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2db0",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 176
  },
  "hsl": {
    "h": 248.244,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41298,
    "c": 0.19509,
    "h": 279.8
  },
  "luminance": 0.06068
}

Semantic roles & 50–950 ramp

primary

#3F2DB0

secondary

#BAC573

accent

#E245CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2DB0

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

Preview Lab → · Contrast checker → · Palette generator →