#3F337B#3F337B

#3F337B is a dark, moderate violet. Relative luminance 0.049; OKLCH L 37.5% C 0.118 H 287.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F337B
RGB	rgb(63, 51, 123)
HSL	hsl(250, 41%, 34%)
HSV	hsv(250, 59%, 48%)
CMYK	cmyk(48.8%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(26.32, 25.25, -39.42)
CIE-LCH	lch(26.32, 46.81, 302.65°)
OKLab	oklab(37.52% 0.0343 -0.1125)
OKLCH	oklch(37.52% 0.118 287)
XYZ	xyz(6.8078, 4.8542, 19.3133)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F337B #6F7B33

analogous

#334B7B #3F337B #63337B

triadic

#3F337B #7B3F33 #337B3F

tetradic

#3F337B #7B334B #6F7B33 #337B63

square

#3F337B #7B334B #6F7B33 #337B63

split-complementary

#3F337B #7B6333 #4B7B33

monochromatic

#130F24 #292150 #3F337B #5545A6 #7768C0

Accessibility & contrast

On white

10.66

#3F337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3F337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F337B

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F337B	#FFFFFF	#000000	##FFFFFF
##3F337B	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06407D

Deuteranopia (green-blind)

#053C79

Tritanopia (blue-blind)

#2B4351

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f337b;
/* rgb */ color: rgb(63, 51, 123);
/* oklch */ color: oklch(37.5% 0.118 287.0);

Tailwind

colors: {
  custom: {
    50: '#796ba2',
    500: '#3f337b',
    950: '#000000',
  },
}

SCSS

$custom: #3f337b;
$custom-light: #796ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f337b",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 250,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3752,
    "c": 0.11757,
    "h": 287
  },
  "luminance": 0.04854
}

Semantic roles & 50–950 ramp

primary

#3F337B

secondary

#9CA862

accent

#D157BD

background

#F7F6FA

surface

#EEEBF3

border

#C9C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3F337B

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

Preview Lab → · Contrast checker → · Palette generator →