#3F277D#3F277D

#3F277D is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.6% C 0.138 H 290.5°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F277D
RGB	rgb(63, 39, 125)
HSL	hsl(257, 52%, 32%)
HSV	hsv(257, 69%, 49%)
CMYK	cmyk(49.6%, 68.8%, 0%, 51%)
CIE-LAB	lab(23.63, 33.39, -45.03)
CIE-LCH	lch(23.63, 56.06, 306.56°)
OKLab	oklab(35.61% 0.0482 -0.129)
OKLCH	oklch(35.61% 0.138 290.5)
XYZ	xyz(6.4760, 3.9882, 19.8266)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F277D #657D27

analogous

#273A7D #3F277D #6A277D

triadic

#3F277D #7D3F27 #277D3F

tetradic

#3F277D #7D273A #657D27 #277D6A

square

#3F277D #7D273A #657D27 #277D6A

split-complementary

#3F277D #7D6A27 #3A7D27

monochromatic

#100A20 #27184E #3F277D #5736AC #7555CA

Accessibility & contrast

On white

11.68

#3F277D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#3F277D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F277D

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F277D	#FFFFFF	#000000	##FFFFFF
##3F277D	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#2B3C4E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f277d;
/* rgb */ color: rgb(63, 39, 125);
/* oklch */ color: oklch(35.6% 0.138 290.5);

Tailwind

colors: {
  custom: {
    50: '#7a63a3',
    500: '#3f277d',
    950: '#000000',
  },
}

SCSS

$custom: #3f277d;
$custom-light: #7a63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f277d",
  "rgb": {
    "r": 63,
    "g": 39,
    "b": 125
  },
  "hsl": {
    "h": 256.744,
    "s": 52.439,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35611,
    "c": 0.13771,
    "h": 290.5
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#3F277D

secondary

#95AF51

accent

#DC4CB4

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #3F277D

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

Preview Lab → · Contrast checker → · Palette generator →