#3F328B#3F328B

#3F328B is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.142 H 284.3°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F328B
RGB	rgb(63, 50, 139)
HSL	hsl(249, 47%, 37%)
HSV	hsv(249, 64%, 55%)
CMYK	cmyk(54.7%, 64%, 0%, 45.5%)
CIE-LAB	lab(27.30, 31.09, -47.83)
CIE-LCH	lch(27.30, 57.05, 303.03°)
OKLab	oklab(38.64% 0.0349 -0.1372)
OKLCH	oklch(38.64% 0.142 284.3)
XYZ	xyz(7.8493, 5.2016, 25.0115)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F328B #7E8B32

analogous

#32528B #3F328B #6C328B

triadic

#3F328B #8B3F32 #328B3F

tetradic

#3F328B #8B3252 #7E8B32 #328B6C

square

#3F328B #8B3252 #7E8B32 #328B6C

split-complementary

#3F328B #8B6C32 #528B32

monochromatic

#161231 #2B225E #3F328B #5342B8 #7B6DCA

Accessibility & contrast

On white

10.29

#3F328B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F328B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F328B

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F328B	#FFFFFF	#000000	##FFFFFF
##3F328B	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#1F4759

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f328b;
/* rgb */ color: rgb(63, 50, 139);
/* oklch */ color: oklch(38.6% 0.142 284.3);

Tailwind

colors: {
  custom: {
    50: '#7b6aae',
    500: '#3f328b',
    950: '#000000',
  },
}

SCSS

$custom: #3f328b;
$custom-light: #7b6aae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f328b",
  "rgb": {
    "r": 63,
    "g": 50,
    "b": 139
  },
  "hsl": {
    "h": 248.764,
    "s": 47.09,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38635,
    "c": 0.14157,
    "h": 284.3
  },
  "luminance": 0.05202
}

Semantic roles & 50–950 ramp

primary

#3F328B

secondary

#A7B267

accent

#D751C3

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #3F328B

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

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