#3F2CA5#3F2CA5

#3F2CA5 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.1% C 0.183 H 281.4°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CA5
RGB	rgb(63, 44, 165)
HSL	hsl(249, 58%, 41%)
HSV	hsv(249, 73%, 65%)
CMYK	cmyk(61.8%, 73.3%, 0%, 35.3%)
CIE-LAB	lab(28.31, 42.98, -62.09)
CIE-LCH	lch(28.31, 75.52, 304.69°)
OKLab	oklab(40.07% 0.0363 -0.179)
OKLCH	oklch(40.07% 0.183 281.4)
XYZ	xyz(9.7400, 5.5740, 36.1527)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2CA5 #92A52C

analogous

#2C56A5 #3F2CA5 #7B2CA5

triadic

#3F2CA5 #A53F2C #2CA53F

tetradic

#3F2CA5 #A52C56 #92A52C #2CA57B

square

#3F2CA5 #A52C56 #92A52C #2CA57B

split-complementary

#3F2CA5 #A57B2C #56A52C

monochromatic

#1A1244 #2D1F75 #3F2CA5 #5742CD #8272D9

Accessibility & contrast

On white

9.93

#3F2CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F2CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CA5

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CA5	#FFFFFF	#000000	##FFFFFF
##3F2CA5	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003EA3

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f2ca5;
/* rgb */ color: rgb(63, 44, 165);
/* oklch */ color: oklch(40.1% 0.183 281.4);

Tailwind

colors: {
  custom: {
    50: '#8167c1',
    500: '#3f2ca5',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ca5;
$custom-light: #8167c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ca5",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 165
  },
  "hsl": {
    "h": 249.421,
    "s": 57.895,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40073,
    "c": 0.18267,
    "h": 281.4
  },
  "luminance": 0.05575
}

Semantic roles & 50–950 ramp

primary

#3F2CA5

secondary

#B3C16C

accent

#E147C9

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2CA5

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

Preview Lab → · Contrast checker → · Palette generator →