#3F177E#3F177E

#3F177E is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.158 H 293.5°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F177E
RGB	rgb(63, 23, 126)
HSL	hsl(263, 69%, 29%)
HSV	hsv(263, 82%, 49%)
CMYK	cmyk(50%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(20.73, 42.08, -50.40)
CIE-LCH	lch(20.73, 65.66, 309.86°)
OKLab	oklab(33.59% 0.063 -0.1447)
OKLCH	oklch(33.59% 0.158 293.5)
XYZ	xyz(6.1211, 3.1757, 20.0251)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F177E #567E17

analogous

#17237E #3F177E #73177E

triadic

#3F177E #7E3F17 #177E3F

tetradic

#3F177E #7E1723 #567E17 #177E73

square

#3F177E #7E1723 #567E17 #177E73

split-complementary

#3F177E #7E7317 #237E17

monochromatic

#0D051A #250E4A #3F177E #5920B2 #7535DA

Accessibility & contrast

On white

12.84

#3F177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#3F177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F177E

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F177E	#FFFFFF	#000000	##FFFFFF
##3F177E	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#2B344B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f177e;
/* rgb */ color: rgb(63, 23, 126);
/* oklch */ color: oklch(33.6% 0.158 293.5);

Tailwind

colors: {
  custom: {
    50: '#7c5aa4',
    500: '#3f177e',
    950: '#000000',
  },
}

SCSS

$custom: #3f177e;
$custom-light: #7c5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f177e",
  "rgb": {
    "r": 63,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 263.301,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33588,
    "c": 0.1578,
    "h": 293.5
  },
  "luminance": 0.03176
}

Semantic roles & 50–950 ramp

primary

#3F177E

secondary

#85B33E

accent

#EC3CA8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F177E

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

Preview Lab → · Contrast checker → · Palette generator →