#3F287D#3F287D

#3F287D is a dark, vivid violet. Relative luminance 0.041; OKLCH L 35.8% C 0.136 H 290.2°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#3F287D
RGB	rgb(63, 40, 125)
HSL	hsl(256, 52%, 32%)
HSV	hsv(256, 68%, 49%)
CMYK	cmyk(49.6%, 68%, 0%, 51%)
CIE-LAB	lab(23.85, 32.79, -44.67)
CIE-LCH	lch(23.85, 55.41, 306.28°)
OKLab	oklab(35.77% 0.0471 -0.1279)
OKLCH	oklch(35.77% 0.136 290.2)
XYZ	xyz(6.5093, 4.0548, 19.8377)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F287D #667D28

analogous

#283C7D #3F287D #69287D

triadic

#3F287D #7D3F28 #287D3F

tetradic

#3F287D #7D283C #667D28 #287D69

square

#3F287D #7D283C #667D28 #287D69

split-complementary

#3F287D #7D6928 #3C7D28

monochromatic

#100A20 #28194F #3F287D #5637AB #7556C9

Accessibility & contrast

On white

11.60

#3F287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#3F287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F287D

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F287D	#FFFFFF	#000000	##FFFFFF
##3F287D	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#2B3D4F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #3f287d;
/* rgb */ color: rgb(63, 40, 125);
/* oklch */ color: oklch(35.8% 0.136 290.2);

Tailwind

colors: {
  custom: {
    50: '#7a63a3',
    500: '#3f287d',
    950: '#000000',
  },
}

SCSS

$custom: #3f287d;
$custom-light: #7a63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f287d",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 256.235,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35769,
    "c": 0.13634,
    "h": 290.2
  },
  "luminance": 0.04055
}

Semantic roles & 50–950 ramp

primary

#3F287D

secondary

#95AE53

accent

#DB4DB5

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A050F

muted

#7C7A7F

Preview Lab

Preview with #3F287D

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

Preview Lab → · Contrast checker → · Palette generator →