#3F166C#3F166C

#3F166C is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.7% C 0.138 H 300.1°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F166C
RGB	rgb(63, 22, 108)
HSL	hsl(269, 66%, 25%)
HSV	hsv(269, 80%, 42%)
CMYK	cmyk(41.7%, 79.6%, 0%, 57.6%)
CIE-LAB	lab(18.86, 37.64, -41.90)
CIE-LCH	lch(18.86, 56.32, 311.93°)
OKLab	oklab(31.75% 0.0694 -0.1197)
OKLCH	oklch(31.75% 0.138 300.1)
XYZ	xyz(5.0429, 2.7132, 14.4425)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F166C #436C16

analogous

#16186C #3F166C #6A166C

triadic

#3F166C #6C3F16 #166C3F

tetradic

#3F166C #6C1618 #436C16 #166C6A

square

#3F166C #6C1618 #436C16 #166C6A

split-complementary

#3F166C #6C6A16 #186C16

monochromatic

#0F0519 #210C39 #3F166C #5D209F #7A2BD2

Accessibility & contrast

On white

13.61

#3F166C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#3F166C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F166C

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F166C	#FFFFFF	#000000	##FFFFFF
##3F166C	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6E

Deuteranopia (green-blind)

#002D6A

Tritanopia (blue-blind)

#352C40

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #3f166c;
/* rgb */ color: rgb(63, 22, 108);
/* oklch */ color: oklch(31.7% 0.138 300.1);

Tailwind

colors: {
  custom: {
    50: '#795897',
    500: '#3f166c',
    950: '#000000',
  },
}

SCSS

$custom: #3f166c;
$custom-light: #795897;
$custom-dark: #000000;

JSON

{
  "hex": "#3f166c",
  "rgb": {
    "r": 63,
    "g": 22,
    "b": 108
  },
  "hsl": {
    "h": 268.605,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31749,
    "c": 0.13836,
    "h": 300.1
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#3F166C

secondary

#71A23C

accent

#E93F98

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09030D

muted

#7B787E

Preview Lab

Preview with #3F166C

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

Preview Lab → · Contrast checker → · Palette generator →