#3F178F#3F178F

#3F178F is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.177 H 288.8°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F178F
RGB	rgb(63, 23, 143)
HSL	hsl(260, 72%, 33%)
HSV	hsv(260, 84%, 56%)
CMYK	cmyk(55.9%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(22.49, 46.77, -58.20)
CIE-LCH	lch(22.49, 74.66, 308.78°)
OKLab	oklab(35.33% 0.057 -0.1675)
OKLCH	oklch(35.33% 0.177 288.8)
XYZ	xyz(7.3128, 3.6524, 26.3009)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F178F #678F17

analogous

#172B8F #3F178F #7B178F

triadic

#3F178F #8F3F17 #178F3F

tetradic

#3F178F #8F172B #678F17 #178F7B

square

#3F178F #8F172B #678F17 #178F7B

split-complementary

#3F178F #8F7B17 #2B8F17

monochromatic

#110626 #280F5A #3F178F #561FC4 #7640E0

Accessibility & contrast

On white

12.13

#3F178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#3F178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F178F

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F178F	#FFFFFF	#000000	##FFFFFF
##3F178F	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#1E3C54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #3f178f;
/* rgb */ color: rgb(63, 23, 143);
/* oklch */ color: oklch(35.3% 0.177 288.8);

Tailwind

colors: {
  custom: {
    50: '#7e5bb1',
    500: '#3f178f',
    950: '#000000',
  },
}

SCSS

$custom: #3f178f;
$custom-light: #7e5bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f178f",
  "rgb": {
    "r": 63,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 260,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35328,
    "c": 0.17692,
    "h": 288.8
  },
  "luminance": 0.03653
}

Semantic roles & 50–950 ramp

primary

#3F178F

secondary

#96C141

accent

#EF39B2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3F178F

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

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