#3F176B#3F176B

#3F176B is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.8% C 0.136 H 300.3°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F176B
RGB	rgb(63, 23, 107)
HSL	hsl(269, 65%, 25%)
HSV	hsv(269, 79%, 42%)
CMYK	cmyk(41.1%, 78.5%, 0%, 58%)
CIE-LAB	lab(18.93, 36.89, -41.12)
CIE-LCH	lch(18.93, 55.25, 311.90°)
OKLab	oklab(31.77% 0.0687 -0.1174)
OKLCH	oklch(31.77% 0.136 300.3)
XYZ	xyz(5.0095, 2.7310, 14.1703)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F176B #436B17

analogous

#17196B #3F176B #69176B

triadic

#3F176B #6B3F17 #176B3F

tetradic

#3F176B #6B1719 #436B17 #176B69

square

#3F176B #6B1719 #436B17 #176B69

split-complementary

#3F176B #6B6917 #196B17

monochromatic

#0F0519 #210C39 #3F176B #5D229D #7A2DD0

Accessibility & contrast

On white

13.58

#3F176B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#3F176B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F176B

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F176B	#FFFFFF	#000000	##FFFFFF
##3F176B	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6D

Deuteranopia (green-blind)

#002D69

Tritanopia (blue-blind)

#352D40

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #3f176b;
/* rgb */ color: rgb(63, 23, 107);
/* oklch */ color: oklch(31.8% 0.136 300.3);

Tailwind

colors: {
  custom: {
    50: '#795996',
    500: '#3f176b',
    950: '#000000',
  },
}

SCSS

$custom: #3f176b;
$custom-light: #795996;
$custom-dark: #000000;

JSON

{
  "hex": "#3f176b",
  "rgb": {
    "r": 63,
    "g": 23,
    "b": 107
  },
  "hsl": {
    "h": 268.571,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31774,
    "c": 0.13604,
    "h": 300.3
  },
  "luminance": 0.02731
}

Semantic roles & 50–950 ramp

primary

#3F176B

secondary

#71A13D

accent

#E84098

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09040D

muted

#7B797E

Preview Lab

Preview with #3F176B

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

Preview Lab → · Contrast checker → · Palette generator →