#3F2CA4#3F2CA4

#3F2CA4 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 40.0% C 0.181 H 281.6°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CA4
RGB	rgb(63, 44, 164)
HSL	hsl(250, 58%, 41%)
HSV	hsv(250, 73%, 64%)
CMYK	cmyk(61.6%, 73.2%, 0%, 35.7%)
CIE-LAB	lab(28.22, 42.67, -61.65)
CIE-LCH	lch(28.22, 74.97, 304.69°)
OKLab	oklab(39.98% 0.0365 -0.1777)
OKLCH	oklch(39.98% 0.181 281.6)
XYZ	xyz(9.6493, 5.5378, 35.6752)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2CA4 #91A42C

analogous

#2C55A4 #3F2CA4 #7B2CA4

triadic

#3F2CA4 #A43F2C #2CA43F

tetradic

#3F2CA4 #A42C55 #91A42C #2CA47B

square

#3F2CA4 #A42C55 #91A42C #2CA47B

split-complementary

#3F2CA4 #A47B2C #55A42C

monochromatic

#1A1243 #2C1F74 #3F2CA4 #5741CC #8271D9

Accessibility & contrast

On white

9.96

#3F2CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3F2CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CA4

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CA4	#FFFFFF	#000000	##FFFFFF
##3F2CA4	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A8

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f2ca4;
/* rgb */ color: rgb(63, 44, 164);
/* oklch */ color: oklch(40.0% 0.181 281.6);

Tailwind

colors: {
  custom: {
    50: '#8067c0',
    500: '#3f2ca4',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ca4;
$custom-light: #8067c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ca4",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 164
  },
  "hsl": {
    "h": 249.5,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39976,
    "c": 0.18143,
    "h": 281.6
  },
  "luminance": 0.05538
}

Semantic roles & 50–950 ramp

primary

#3F2CA4

secondary

#B3C06B

accent

#E147C9

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2CA4

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

Preview Lab → · Contrast checker → · Palette generator →