#3F288D#3F288D

#3F288D is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.2% C 0.157 H 286.5°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F288D
RGB	rgb(63, 40, 141)
HSL	hsl(254, 56%, 35%)
HSV	hsv(254, 72%, 55%)
CMYK	cmyk(55.3%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(25.25, 37.74, -52.42)
CIE-LCH	lch(25.25, 64.59, 305.76°)
OKLab	oklab(37.21% 0.0445 -0.1507)
OKLCH	oklch(37.21% 0.157 286.5)
XYZ	xyz(7.6150, 4.4970, 25.6609)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F288D #768D28

analogous

#28448D #3F288D #71288D

triadic

#3F288D #8D3F28 #288D3F

tetradic

#3F288D #8D2844 #768D28 #288D71

square

#3F288D #8D2844 #768D28 #288D71

split-complementary

#3F288D #8D7128 #448D28

monochromatic

#140D2E #2A1A5D #3F288D #5436BD #785ED1

Accessibility & contrast

On white

11.06

#3F288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3F288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F288D

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F288D	#FFFFFF	#000000	##FFFFFF
##3F288D	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#1E4257

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f288d;
/* rgb */ color: rgb(63, 40, 141);
/* oklch */ color: oklch(37.2% 0.157 286.5);

Tailwind

colors: {
  custom: {
    50: '#7d64af',
    500: '#3f288d',
    950: '#000000',
  },
}

SCSS

$custom: #3f288d;
$custom-light: #7d64af;
$custom-dark: #000000;

JSON

{
  "hex": "#3f288d",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 253.663,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37208,
    "c": 0.15711,
    "h": 286.5
  },
  "luminance": 0.04497
}

Semantic roles & 50–950 ramp

primary

#3F288D

secondary

#A2B75A

accent

#DF49BD

background

#F8F6FA

surface

#EFEBF5

border

#CAC6CF

text

#0A0510

muted

#7C7A7F

Preview Lab

Preview with #3F288D

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

Preview Lab → · Contrast checker → · Palette generator →