#3F3D4E#3F3D4E

#3F3D4E is a dark, muted blue. Relative luminance 0.049; OKLCH L 36.9% C 0.029 H 290.3°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F3D4E
RGB	rgb(63, 61, 78)
HSL	hsl(247, 12%, 27%)
HSV	hsv(247, 22%, 31%)
CMYK	cmyk(19.2%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(26.58, 4.99, -9.98)
CIE-LCH	lch(26.58, 11.16, 296.57°)
OKLab	oklab(36.89% 0.0101 -0.0272)
OKLCH	oklch(36.89% 0.029 290.3)
XYZ	xyz(5.0935, 4.9443, 7.8922)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3D4E #4C4E3D

analogous

#3D444E #3F3D4E #483D4E

triadic

#3F3D4E #4E3F3D #3D4E3F

tetradic

#3F3D4E #4E3D44 #4C4E3D #3D4E48

square

#3F3D4E #4E3D44 #4C4E3D #3D4E48

split-complementary

#3F3D4E #4E483D #444E3D

monochromatic

#0E0D11 #23222C #3F3D4E #5B5870 #777392

Accessibility & contrast

On white

10.56

#3F3D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3F3D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3D4E

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3D4E	#FFFFFF	#000000	##FFFFFF
##3F3D4E	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393F4F

Deuteranopia (green-blind)

#393E4E

Tritanopia (blue-blind)

#3C4043

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f3d4e;
/* rgb */ color: rgb(63, 61, 78);
/* oklch */ color: oklch(36.9% 0.029 290.3);

Tailwind

colors: {
  custom: {
    50: '#74727f',
    500: '#3f3d4e',
    950: '#000000',
  },
}

SCSS

$custom: #3f3d4e;
$custom-light: #74727f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3d4e",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 247.059,
    "s": 12.23,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3689,
    "c": 0.02903,
    "h": 290.3
  },
  "luminance": 0.04944
}

Semantic roles & 50–950 ramp

primary

#3F3D4E

secondary

#7B7D6A

accent

#B573AD

background

#F7F6F7

surface

#EDECEE

border

#C8C7C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #3F3D4E

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

Preview Lab → · Contrast checker → · Palette generator →