#3F288A#3F288A

#3F288A is a dark, vivid violet. Relative luminance 0.044; OKLCH L 36.9% C 0.153 H 287.1°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F288A
RGB	rgb(63, 40, 138)
HSL	hsl(254, 55%, 35%)
HSV	hsv(254, 71%, 54%)
CMYK	cmyk(54.3%, 71%, 0%, 45.9%)
CIE-LAB	lab(24.98, 36.82, -50.99)
CIE-LCH	lch(24.98, 62.89, 305.83°)
OKLab	oklab(36.93% 0.0451 -0.1465)
OKLCH	oklch(36.93% 0.153 287.1)
XYZ	xyz(7.3948, 4.4089, 24.5012)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F288A #738A28

analogous

#28428A #3F288A #70288A

triadic

#3F288A #8A3F28 #288A3F

tetradic

#3F288A #8A2842 #738A28 #288A70

square

#3F288A #8A2842 #738A28 #288A70

split-complementary

#3F288A #8A7028 #428A28

monochromatic

#140C2B #291A5B #3F288A #5536B9 #785DD0

Accessibility & contrast

On white

11.16

#3F288A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#3F288A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F288A

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F288A	#FFFFFF	#000000	##FFFFFF
##3F288A	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#214156

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f288a;
/* rgb */ color: rgb(63, 40, 138);
/* oklch */ color: oklch(36.9% 0.153 287.1);

Tailwind

colors: {
  custom: {
    50: '#7c64ad',
    500: '#3f288a',
    950: '#000000',
  },
}

SCSS

$custom: #3f288a;
$custom-light: #7c64ad;
$custom-dark: #000000;

JSON

{
  "hex": "#3f288a",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 138
  },
  "hsl": {
    "h": 254.082,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3693,
    "c": 0.15328,
    "h": 287.1
  },
  "luminance": 0.04409
}

Semantic roles & 50–950 ramp

primary

#3F288A

secondary

#9FB559

accent

#DE49BB

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0510

muted

#7C7A7F

Preview Lab

Preview with #3F288A

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

Preview Lab → · Contrast checker → · Palette generator →