#3F3186#3F3186

#3F3186 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.136 H 285.5°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#3F3186
RGB	rgb(63, 49, 134)
HSL	hsl(250, 46%, 36%)
HSV	hsv(250, 63%, 53%)
CMYK	cmyk(53%, 63.4%, 0%, 47.5%)
CIE-LAB	lab(26.66, 30.10, -45.76)
CIE-LCH	lch(26.66, 54.77, 303.33°)
OKLab	oklab(38.04% 0.0363 -0.1311)
OKLCH	oklch(38.04% 0.136 285.5)
XYZ	xyz(7.4500, 4.9742, 23.1172)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3186 #788631

analogous

#314D86 #3F3186 #693186

triadic

#3F3186 #863F31 #31863F

tetradic

#3F3186 #86314D #788631 #318669

square

#3F3186 #86314D #788631 #318669

split-complementary

#3F3186 #866931 #4D8631

monochromatic

#15102C #2A2159 #3F3186 #5441B3 #7969C8

Accessibility & contrast

On white

10.53

#3F3186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3F3186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3186

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3186	#FFFFFF	#000000	##FFFFFF
##3F3186	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004189

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#244556

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f3186;
/* rgb */ color: rgb(63, 49, 134);
/* oklch */ color: oklch(38.0% 0.136 285.5);

Tailwind

colors: {
  custom: {
    50: '#7b6aaa',
    500: '#3f3186',
    950: '#000000',
  },
}

SCSS

$custom: #3f3186;
$custom-light: #7b6aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3186",
  "rgb": {
    "r": 63,
    "g": 49,
    "b": 134
  },
  "hsl": {
    "h": 249.882,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38041,
    "c": 0.13606,
    "h": 285.5
  },
  "luminance": 0.04975
}

Semantic roles & 50–950 ramp

primary

#3F3186

secondary

#A3B063

accent

#D652C0

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #3F3186

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

Preview Lab → · Contrast checker → · Palette generator →