#3F177B#3F177B

#3F177B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.154 H 294.5°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F177B
RGB	rgb(63, 23, 123)
HSL	hsl(264, 68%, 29%)
HSV	hsv(264, 81%, 48%)
CMYK	cmyk(48.8%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(20.44, 41.26, -48.98)
CIE-LCH	lch(20.44, 64.04, 310.11°)
OKLab	oklab(33.29% 0.064 -0.1405)
OKLCH	oklch(33.29% 0.154 294.5)
XYZ	xyz(5.9305, 3.0994, 19.0208)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F177B #537B17

analogous

#17217B #3F177B #71177B

triadic

#3F177B #7B3F17 #177B3F

tetradic

#3F177B #7B1721 #537B17 #177B71

square

#3F177B #7B1721 #537B17 #177B71

split-complementary

#3F177B #7B7117 #217B17

monochromatic

#0D051A #250D47 #3F177B #5921AF #7633D9

Accessibility & contrast

On white

12.96

#3F177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#3F177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F177B

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F177B	#FFFFFF	#000000	##FFFFFF
##3F177B	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#2D3349

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #3f177b;
/* rgb */ color: rgb(63, 23, 123);
/* oklch */ color: oklch(33.3% 0.154 294.5);

Tailwind

colors: {
  custom: {
    50: '#7b59a2',
    500: '#3f177b',
    950: '#000000',
  },
}

SCSS

$custom: #3f177b;
$custom-light: #7b59a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f177b",
  "rgb": {
    "r": 63,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 264,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33291,
    "c": 0.15438,
    "h": 294.5
  },
  "luminance": 0.031
}

Semantic roles & 50–950 ramp

primary

#3F177B

secondary

#82B03E

accent

#EB3CA5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F177B

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

Preview Lab → · Contrast checker → · Palette generator →