#3F307D#3F307D

#3F307D is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.1% C 0.125 H 287.7°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F307D
RGB	rgb(63, 48, 125)
HSL	hsl(252, 45%, 34%)
HSV	hsv(252, 62%, 49%)
CMYK	cmyk(49.6%, 61.6%, 0%, 51%)
CIE-LAB	lab(25.72, 27.83, -41.65)
CIE-LCH	lch(25.72, 50.09, 303.76°)
OKLab	oklab(37.13% 0.0379 -0.119)
OKLCH	oklch(37.13% 0.125 287.7)
XYZ	xyz(6.8075, 4.6510, 19.9371)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F307D #6E7D30

analogous

#30487D #3F307D #66307D

triadic

#3F307D #7D3F30 #307D3F

tetradic

#3F307D #7D3048 #6E7D30 #307D66

square

#3F307D #7D3048 #6E7D30 #307D66

split-complementary

#3F307D #7D6630 #487D30

monochromatic

#120E25 #291F51 #3F307D #5541A9 #7764C3

Accessibility & contrast

On white

10.88

#3F307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3F307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F307D

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F307D	#FFFFFF	#000000	##FFFFFF
##3F307D	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F80

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#2A4251

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3f307d;
/* rgb */ color: rgb(63, 48, 125);
/* oklch */ color: oklch(37.1% 0.125 287.7);

Tailwind

colors: {
  custom: {
    50: '#7969a3',
    500: '#3f307d',
    950: '#000000',
  },
}

SCSS

$custom: #3f307d;
$custom-light: #7969a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f307d",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 251.688,
    "s": 44.509,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37127,
    "c": 0.12492,
    "h": 287.7
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#3F307D

secondary

#9CAB5E

accent

#D454BB

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3F307D

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

Preview Lab → · Contrast checker → · Palette generator →