#3F2CA3#3F2CA3

#3F2CA3 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.9% C 0.180 H 281.7°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CA3
RGB	rgb(63, 44, 163)
HSL	hsl(250, 57%, 41%)
HSV	hsv(250, 73%, 64%)
CMYK	cmyk(61.3%, 73%, 0%, 36.1%)
CIE-LAB	lab(28.12, 42.36, -61.20)
CIE-LCH	lch(28.12, 74.43, 304.69°)
OKLab	oklab(39.88% 0.0367 -0.1764)
OKLCH	oklch(39.88% 0.18 281.7)
XYZ	xyz(9.5594, 5.5018, 35.2014)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2CA3 #90A32C

analogous

#2C54A3 #3F2CA3 #7A2CA3

triadic

#3F2CA3 #A33F2C #2CA33F

tetradic

#3F2CA3 #A32C54 #90A32C #2CA37A

square

#3F2CA3 #A32C54 #90A32C #2CA37A

split-complementary

#3F2CA3 #A37A2C #54A32C

monochromatic

#1A1243 #2C1F73 #3F2CA3 #5741CC #8171D9

Accessibility & contrast

On white

10.00

#3F2CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3F2CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CA3

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CA3	#FFFFFF	#000000	##FFFFFF
##3F2CA3	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A7

Deuteranopia (green-blind)

#003EA1

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f2ca3;
/* rgb */ color: rgb(63, 44, 163);
/* oklch */ color: oklch(39.9% 0.180 281.7);

Tailwind

colors: {
  custom: {
    50: '#8067bf',
    500: '#3f2ca3',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ca3;
$custom-light: #8067bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ca3",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 163
  },
  "hsl": {
    "h": 249.58,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39879,
    "c": 0.18019,
    "h": 281.7
  },
  "luminance": 0.05502
}

Semantic roles & 50–950 ramp

primary

#3F2CA3

secondary

#B2C06B

accent

#E147C8

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2CA3

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

Preview Lab → · Contrast checker → · Palette generator →