#3F366B#3F366B

#3F366B is a dark, moderate violet. Relative luminance 0.048; OKLCH L 37.0% C 0.089 H 289.1°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F366B
RGB	rgb(63, 54, 107)
HSL	hsl(250, 33%, 32%)
HSV	hsv(250, 50%, 42%)
CMYK	cmyk(41.1%, 49.5%, 0%, 58%)
CIE-LAB	lab(26.03, 18.17, -29.69)
CIE-LCH	lch(26.03, 34.81, 301.47°)
OKLab	oklab(36.96% 0.0291 -0.0839)
OKLCH	oklch(36.96% 0.089 289.1)
XYZ	xyz(6.0222, 4.7565, 14.5079)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F366B #626B36

analogous

#36486B #3F366B #5A366B

triadic

#3F366B #6B3F36 #366B3F

tetradic

#3F366B #6B3648 #626B36 #366B5A

square

#3F366B #6B3648 #626B36 #366B5A

split-complementary

#3F366B #6B5A36 #486B36

monochromatic

#0F0D1A #272142 #3F366B #574B94 #7568B3

Accessibility & contrast

On white

10.76

#3F366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3F366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F366B

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F366B	#FFFFFF	#000000	##FFFFFF
##3F366B	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6D

Deuteranopia (green-blind)

#233C6A

Tritanopia (blue-blind)

#33414B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f366b;
/* rgb */ color: rgb(63, 54, 107);
/* oklch */ color: oklch(37.0% 0.089 289.1);

Tailwind

colors: {
  custom: {
    50: '#776d96',
    500: '#3f366b',
    950: '#000000',
  },
}

SCSS

$custom: #3f366b;
$custom-light: #776d96;
$custom-dark: #000000;

JSON

{
  "hex": "#3f366b",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 250.189,
    "s": 32.919,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3696,
    "c": 0.08878,
    "h": 289.1
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#3F366B

secondary

#929C61

accent

#C95FB7

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #3F366B

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

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