#3F277C#3F277C

#3F277C is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.5% C 0.136 H 290.8°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F277C
RGB	rgb(63, 39, 124)
HSL	hsl(257, 52%, 32%)
HSV	hsv(257, 69%, 49%)
CMYK	cmyk(49.2%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(23.55, 33.08, -44.53)
CIE-LCH	lch(23.55, 55.48, 306.61°)
OKLab	oklab(35.52% 0.0484 -0.1275)
OKLCH	oklch(35.52% 0.136 290.8)
XYZ	xyz(6.4125, 3.9628, 19.4919)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.66

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F277C #647C27

analogous

#273A7C #3F277C #6A277C

triadic

#3F277C #7C3F27 #277C3F

tetradic

#3F277C #7C273A #647C27 #277C6A

square

#3F277C #7C273A #647C27 #277C6A

split-complementary

#3F277C #7C6A27 #3A7C27

monochromatic

#100A1F #27184D #3F277C #5736AB #7554C9

Accessibility & contrast

On white

11.71

#3F277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#3F277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F277C

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F277C	#FFFFFF	#000000	##FFFFFF
##3F277C	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7F

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#2C3C4E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f277c;
/* rgb */ color: rgb(63, 39, 124);
/* oklch */ color: oklch(35.5% 0.136 290.8);

Tailwind

colors: {
  custom: {
    50: '#7a63a3',
    500: '#3f277c',
    950: '#000000',
  },
}

SCSS

$custom: #3f277c;
$custom-light: #7a63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f277c",
  "rgb": {
    "r": 63,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 256.941,
    "s": 52.147,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35524,
    "c": 0.13639,
    "h": 290.8
  },
  "luminance": 0.03963
}

Semantic roles & 50–950 ramp

primary

#3F277C

secondary

#94AE51

accent

#DC4CB3

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #3F277C

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

Preview Lab → · Contrast checker → · Palette generator →