#3F2DB1#3F2DB1

#3F2DB1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.4% C 0.196 H 279.7°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DB1
RGB	rgb(63, 45, 177)
HSL	hsl(248, 59%, 44%)
HSV	hsv(248, 75%, 69%)
CMYK	cmyk(64.4%, 74.6%, 0%, 30.6%)
CIE-LAB	lab(29.68, 46.18, -67.05)
CIE-LCH	lch(29.68, 81.41, 304.56°)
OKLab	oklab(41.4% 0.0329 -0.1935)
OKLCH	oklch(41.4% 0.196 279.7)
XYZ	xyz(10.9216, 6.1070, 42.1897)
Luminance	0.0611 (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

#3F2DB1 #9FB12D

analogous

#2D5DB1 #3F2DB1 #812DB1

triadic

#3F2DB1 #B13F2D #2DB13F

tetradic

#3F2DB1 #B12D5D #9FB12D #2DB181

square

#3F2DB1 #B12D5D #9FB12D #2DB181

split-complementary

#3F2DB1 #B1812D #5DB12D

monochromatic

#1C144F #2E2180 #3F2DB1 #5D4AD1 #887BDD

Accessibility & contrast

On white

9.45

#3F2DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3F2DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DB1

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DB1	#FFFFFF	#000000	##FFFFFF
##3F2DB1	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB5

Deuteranopia (green-blind)

#0041AF

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f2db1;
/* rgb */ color: rgb(63, 45, 177);
/* oklch */ color: oklch(41.4% 0.196 279.7);

Tailwind

colors: {
  custom: {
    50: '#8369ca',
    500: '#3f2db1',
    950: '#000000',
  },
}

SCSS

$custom: #3f2db1;
$custom-light: #8369ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2db1",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 177
  },
  "hsl": {
    "h": 248.182,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.41398,
    "c": 0.1963,
    "h": 279.7
  },
  "luminance": 0.06108
}

Semantic roles & 50–950 ramp

primary

#3F2DB1

secondary

#BBC674

accent

#E345CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2DB1

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

Preview Lab → · Contrast checker → · Palette generator →