#3F3572#3F3572

#3F3572 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.2% C 0.101 H 288.0°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F3572
RGB	rgb(63, 53, 114)
HSL	hsl(250, 37%, 33%)
HSV	hsv(250, 54%, 45%)
CMYK	cmyk(44.7%, 53.5%, 0%, 55.3%)
CIE-LAB	lab(26.21, 21.05, -33.88)
CIE-LCH	lch(26.21, 39.89, 301.85°)
OKLab	oklab(37.24% 0.0313 -0.0962)
OKLCH	oklch(37.24% 0.101 288)
XYZ	xyz(6.3594, 4.8176, 16.5112)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3572 #687235

analogous

#354972 #3F3572 #5D3572

triadic

#3F3572 #723F35 #35723F

tetradic

#3F3572 #723549 #687235 #35725D

square

#3F3572 #723549 #687235 #35725D

split-complementary

#3F3572 #725D35 #497235

monochromatic

#110E1E #282248 #3F3572 #56489C #7668B9

Accessibility & contrast

On white

10.69

#3F3572 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3F3572 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3572

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3572	#FFFFFF	#000000	##FFFFFF
##3F3572	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F74

Deuteranopia (green-blind)

#1A3C71

Tritanopia (blue-blind)

#30424E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f3572;
/* rgb */ color: rgb(63, 53, 114);
/* oklch */ color: oklch(37.2% 0.101 288.0);

Tailwind

colors: {
  custom: {
    50: '#776c9b',
    500: '#3f3572',
    950: '#000000',
  },
}

SCSS

$custom: #3f3572;
$custom-light: #776c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3572",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 114
  },
  "hsl": {
    "h": 249.836,
    "s": 36.527,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3724,
    "c": 0.10113,
    "h": 288
  },
  "luminance": 0.04818
}

Semantic roles & 50–950 ramp

primary

#3F3572

secondary

#97A261

accent

#CD5BBA

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09070E

muted

#7B7A7E

Preview Lab

Preview with #3F3572

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

Preview Lab → · Contrast checker → · Palette generator →