#3F187E#3F187E

#3F187E is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.157 H 293.4°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F187E
RGB	rgb(63, 24, 126)
HSL	hsl(263, 68%, 29%)
HSV	hsv(263, 81%, 49%)
CMYK	cmyk(50%, 81%, 0%, 50.6%)
CIE-LAB	lab(20.89, 41.63, -50.15)
CIE-LCH	lch(20.89, 65.17, 309.70°)
OKLab	oklab(33.7% 0.0622 -0.1439)
OKLCH	oklch(33.7% 0.157 293.4)
XYZ	xyz(6.1414, 3.2162, 20.0318)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F187E #577E18

analogous

#18247E #3F187E #72187E

triadic

#3F187E #7E3F18 #187E3F

tetradic

#3F187E #7E1824 #577E18 #187E72

square

#3F187E #7E1824 #577E18 #187E72

split-complementary

#3F187E #7E7218 #247E18

monochromatic

#0D051A #250E4B #3F187E #5922B1 #7537D9

Accessibility & contrast

On white

12.78

#3F187E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#3F187E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F187E

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F187E	#FFFFFF	#000000	##FFFFFF
##3F187E	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#2B354B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f187e;
/* rgb */ color: rgb(63, 24, 126);
/* oklch */ color: oklch(33.7% 0.157 293.4);

Tailwind

colors: {
  custom: {
    50: '#7b5aa4',
    500: '#3f187e',
    950: '#000000',
  },
}

SCSS

$custom: #3f187e;
$custom-light: #7b5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f187e",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 126
  },
  "hsl": {
    "h": 262.941,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33696,
    "c": 0.1568,
    "h": 293.4
  },
  "luminance": 0.03216
}

Semantic roles & 50–950 ramp

primary

#3F187E

secondary

#86B23F

accent

#EB3DA8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F187E

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

Preview Lab → · Contrast checker → · Palette generator →