#3F298B#3F298B

#3F298B is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.2% C 0.153 H 286.6°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F298B
RGB	rgb(63, 41, 139)
HSL	hsl(253, 54%, 35%)
HSV	hsv(253, 71%, 55%)
CMYK	cmyk(54.7%, 70.5%, 0%, 45.5%)
CIE-LAB	lab(25.28, 36.55, -51.13)
CIE-LCH	lch(25.28, 62.85, 305.56°)
OKLab	oklab(37.17% 0.0439 -0.1469)
OKLCH	oklch(37.17% 0.153 286.6)
XYZ	xyz(7.5017, 4.5063, 24.8956)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F298B #758B29

analogous

#29448B #3F298B #70298B

triadic

#3F298B #8B3F29 #298B3F

tetradic

#3F298B #8B2944 #758B29 #298B70

square

#3F298B #8B2944 #758B29 #298B70

split-complementary

#3F298B #8B7029 #448B29

monochromatic

#140D2C #2A1B5C #3F298B #5437BA #785FD0

Accessibility & contrast

On white

11.04

#3F298B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3F298B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F298B

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F298B	#FFFFFF	#000000	##FFFFFF
##3F298B	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#204256

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f298b;
/* rgb */ color: rgb(63, 41, 139);
/* oklch */ color: oklch(37.2% 0.153 286.6);

Tailwind

colors: {
  custom: {
    50: '#7c65ae',
    500: '#3f298b',
    950: '#000000',
  },
}

SCSS

$custom: #3f298b;
$custom-light: #7c65ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f298b",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 139
  },
  "hsl": {
    "h": 253.469,
    "s": 54.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37172,
    "c": 0.15333,
    "h": 286.6
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#3F298B

secondary

#A1B55B

accent

#DE4ABD

background

#F8F6FA

surface

#EFEBF4

border

#CAC6CE

text

#0A0510

muted

#7C7A7F

Preview Lab

Preview with #3F298B

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

Preview Lab → · Contrast checker → · Palette generator →