#3F187D#3F187D

#3F187D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.156 H 293.7°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F187D
RGB	rgb(63, 24, 125)
HSL	hsl(263, 68%, 29%)
HSV	hsv(263, 81%, 49%)
CMYK	cmyk(49.6%, 80.8%, 0%, 51%)
CIE-LAB	lab(20.79, 41.35, -49.67)
CIE-LCH	lch(20.79, 64.63, 309.78°)
OKLab	oklab(33.6% 0.0626 -0.1425)
OKLCH	oklch(33.6% 0.156 293.7)
XYZ	xyz(6.0772, 3.1905, 19.6937)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F187D #567D18

analogous

#18247D #3F187D #72187D

triadic

#3F187D #7D3F18 #187D3F

tetradic

#3F187D #7D1824 #567D18 #187D72

square

#3F187D #7D1824 #567D18 #187D72

split-complementary

#3F187D #7D7218 #247D18

monochromatic

#0D051A #250E4A #3F187D #5922B0 #7537D9

Accessibility & contrast

On white

12.82

#3F187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#3F187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F187D

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F187D	#FFFFFF	#000000	##FFFFFF
##3F187D	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#2C344A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f187d;
/* rgb */ color: rgb(63, 24, 125);
/* oklch */ color: oklch(33.6% 0.156 293.7);

Tailwind

colors: {
  custom: {
    50: '#7b5aa4',
    500: '#3f187d',
    950: '#000000',
  },
}

SCSS

$custom: #3f187d;
$custom-light: #7b5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f187d",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 263.168,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33597,
    "c": 0.15566,
    "h": 293.7
  },
  "luminance": 0.03191
}

Semantic roles & 50–950 ramp

primary

#3F187D

secondary

#85B23F

accent

#EB3DA8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F187D

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

Preview Lab → · Contrast checker → · Palette generator →