#3F104B#3F104B

#3F104B is a dark, moderate purple. Relative luminance 0.019; OKLCH L 28.3% C 0.110 H 318.6°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F104B
RGB	rgb(63, 16, 75)
HSL	hsl(288, 65%, 18%)
HSV	hsv(288, 79%, 29%)
CMYK	cmyk(16%, 78.7%, 0%, 70.6%)
CIE-LAB	lab(15.15, 32.18, -25.82)
CIE-LCH	lch(15.15, 41.26, 321.25°)
OKLab	oklab(28.26% 0.0823 -0.0724)
OKLCH	oklch(28.26% 0.11 318.6)
XYZ	xyz(3.5050, 1.9355, 6.8442)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F104B #1C4B10

analogous

#22104B #3F104B #4B1039

triadic

#3F104B #4B3F10 #104B3F

tetradic

#3F104B #4B2210 #1C4B10 #10394B

square

#3F104B #4B2210 #1C4B10 #10394B

split-complementary

#3F104B #394B10 #104B22

monochromatic

#150519 #150519 #3F104B #691B7D #9426B0

Accessibility & contrast

On white

15.14

#3F104B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#3F104B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F104B

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F104B	#FFFFFF	#000000	##FFFFFF
##3F104B	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234D

Deuteranopia (green-blind)

#13274A

Tritanopia (blue-blind)

#3F1C2C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #3f104b;
/* rgb */ color: rgb(63, 16, 75);
/* oklch */ color: oklch(28.3% 0.110 318.6);

Tailwind

colors: {
  custom: {
    50: '#76537e',
    500: '#3f104b',
    950: '#000000',
  },
}

SCSS

$custom: #3f104b;
$custom-light: #76537e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f104b",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 75
  },
  "hsl": {
    "h": 287.797,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28262,
    "c": 0.10961,
    "h": 318.6
  },
  "luminance": 0.01935
}

Semantic roles & 50–950 ramp

primary

#3F104B

secondary

#438532

accent

#E84062

background

#F7F4F7

surface

#EDE8EE

border

#C8C4C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #3F104B

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

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