#3F287C#3F287C

#3F287C is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.7% C 0.135 H 290.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F287C
RGB	rgb(63, 40, 124)
HSL	hsl(256, 51%, 32%)
HSV	hsv(256, 68%, 49%)
CMYK	cmyk(49.2%, 67.7%, 0%, 51.4%)
CIE-LAB	lab(23.77, 32.49, -44.17)
CIE-LCH	lch(23.77, 54.83, 306.33°)
OKLab	oklab(35.68% 0.0473 -0.1265)
OKLCH	oklch(35.68% 0.135 290.5)
XYZ	xyz(6.4458, 4.0293, 19.5030)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F287C #657C28

analogous

#283B7C #3F287C #69287C

triadic

#3F287C #7C3F28 #287C3F

tetradic

#3F287C #7C283B #657C28 #287C69

square

#3F287C #7C283B #657C28 #287C69

split-complementary

#3F287C #7C6928 #3B7C28

monochromatic

#100A1F #27194E #3F287C #5737AA #7556C8

Accessibility & contrast

On white

11.63

#3F287C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#3F287C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F287C

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F287C	#FFFFFF	#000000	##FFFFFF
##3F287C	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7F

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#2C3C4E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #3f287c;
/* rgb */ color: rgb(63, 40, 124);
/* oklch */ color: oklch(35.7% 0.135 290.5);

Tailwind

colors: {
  custom: {
    50: '#7a63a3',
    500: '#3f287c',
    950: '#000000',
  },
}

SCSS

$custom: #3f287c;
$custom-light: #7a63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f287c",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 124
  },
  "hsl": {
    "h": 256.429,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35683,
    "c": 0.13502,
    "h": 290.5
  },
  "luminance": 0.0403
}

Semantic roles & 50–950 ramp

primary

#3F287C

secondary

#95AD52

accent

#DB4DB4

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A050F

muted

#7C7A7F

Preview Lab

Preview with #3F287C

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

Preview Lab → · Contrast checker → · Palette generator →