#3F299B#3F299B

#3F299B is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.7% C 0.174 H 283.6°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F299B
RGB	rgb(63, 41, 155)
HSL	hsl(252, 58%, 38%)
HSV	hsv(252, 74%, 61%)
CMYK	cmyk(59.4%, 73.5%, 0%, 39.2%)
CIE-LAB	lab(26.76, 41.52, -58.57)
CIE-LCH	lch(26.76, 71.79, 305.34°)
OKLab	oklab(38.68% 0.0407 -0.1687)
OKLCH	oklch(38.68% 0.174 283.6)
XYZ	xyz(8.7574, 5.0086, 31.5093)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F299B #859B29

analogous

#294C9B #3F299B #78299B

triadic

#3F299B #9B3F29 #299B3F

tetradic

#3F299B #9B294C #859B29 #299B78

square

#3F299B #9B294C #859B29 #299B78

split-complementary

#3F299B #9B7829 #4C9B29

monochromatic

#180F3A #2B1C6B #3F299B #5337CA #7D67D7

Accessibility & contrast

On white

10.49

#3F299B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3F299B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F299B

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F299B	#FFFFFF	#000000	##FFFFFF
##3F299B	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#003B99

Tritanopia (blue-blind)

#07485F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f299b;
/* rgb */ color: rgb(63, 41, 155);
/* oklch */ color: oklch(38.7% 0.174 283.6);

Tailwind

colors: {
  custom: {
    50: '#7f65ba',
    500: '#3f299b',
    950: '#000000',
  },
}

SCSS

$custom: #3f299b;
$custom-light: #7f65ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f299b",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 155
  },
  "hsl": {
    "h": 251.579,
    "s": 58.163,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38681,
    "c": 0.17354,
    "h": 283.6
  },
  "luminance": 0.05009
}

Semantic roles & 50–950 ramp

primary

#3F299B

secondary

#ACBD63

accent

#E146C3

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F299B

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

Preview Lab → · Contrast checker → · Palette generator →