#3F329B#3F329B

#3F329B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.163 H 281.7°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F329B
RGB	rgb(63, 50, 155)
HSL	hsl(247, 51%, 40%)
HSV	hsv(247, 68%, 61%)
CMYK	cmyk(59.4%, 67.7%, 0%, 39.2%)
CIE-LAB	lab(28.65, 36.31, -55.46)
CIE-LCH	lch(28.65, 66.29, 303.21°)
OKLab	oklab(40.04% 0.0331 -0.1596)
OKLCH	oklch(40.04% 0.163 281.7)
XYZ	xyz(9.1051, 5.7039, 31.6252)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F329B #8E9B32

analogous

#32599B #3F329B #74329B

triadic

#3F329B #9B3F32 #329B3F

tetradic

#3F329B #9B3259 #8E9B32 #329B74

square

#3F329B #9B3259 #8E9B32 #329B74

split-complementary

#3F329B #9B7432 #599B32

monochromatic

#19143E #2C236D #3F329B #5647C4 #8175D2

Accessibility & contrast

On white

9.81

#3F329B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F329B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F329B

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F329B	#FFFFFF	#000000	##FFFFFF
##3F329B	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#004099

Tritanopia (blue-blind)

#044D62

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f329b;
/* rgb */ color: rgb(63, 50, 155);
/* oklch */ color: oklch(40.0% 0.163 281.7);

Tailwind

colors: {
  custom: {
    50: '#7e6bb9',
    500: '#3f329b',
    950: '#000000',
  },
}

SCSS

$custom: #3f329b;
$custom-light: #7e6bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f329b",
  "rgb": {
    "r": 63,
    "g": 50,
    "b": 155
  },
  "hsl": {
    "h": 247.429,
    "s": 51.22,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40036,
    "c": 0.16303,
    "h": 281.7
  },
  "luminance": 0.05705
}

Semantic roles & 50–950 ramp

primary

#3F329B

secondary

#B1BB6E

accent

#DB4DC9

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F329B

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

Preview Lab → · Contrast checker → · Palette generator →