#3F484E#3F484E

#3F484E is a dark, near-neutral cyan. Relative luminance 0.062; OKLCH L 39.6% C 0.016 H 237.0°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F484E
RGB	rgb(63, 72, 78)
HSL	hsl(204, 11%, 28%)
HSV	hsv(204, 19%, 31%)
CMYK	cmyk(19.2%, 7.7%, 0%, 69.4%)
CIE-LAB	lab(30.01, -2.14, -4.81)
CIE-LCH	lch(30.01, 5.27, 245.99°)
OKLab	oklab(39.58% -0.0084 -0.013)
OKLCH	oklch(39.58% 0.016 237)
XYZ	xyz(5.7421, 6.2414, 8.1084)
Luminance	0.0624 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F484E #4E453F

analogous

#3F4E4C #3F484E #3F414E

triadic

#3F484E #4E3F48 #484E3F

tetradic

#3F484E #4C3F4E #4E453F #414E3F

square

#3F484E #4C3F4E #4E453F #414E3F

split-complementary

#3F484E #4E3F41 #4E4C3F

monochromatic

#0E1011 #24292C #3F484E #5A6770 #778691

Accessibility & contrast

On white

9.34

#3F484E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3F484E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F484E

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F484E	#FFFFFF	#000000	##FFFFFF
##3F484E	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45484E

Deuteranopia (green-blind)

#43464E

Tritanopia (blue-blind)

#3B4A4A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f484e;
/* rgb */ color: rgb(63, 72, 78);
/* oklch */ color: oklch(39.6% 0.016 237.0);

Tailwind

colors: {
  custom: {
    50: '#747a7f',
    500: '#3f484e',
    950: '#000000',
  },
}

SCSS

$custom: #3f484e;
$custom-light: #747a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f484e",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 78
  },
  "hsl": {
    "h": 204,
    "s": 10.638,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39582,
    "c": 0.01551,
    "h": 237
  },
  "luminance": 0.06242
}

Semantic roles & 50–950 ramp

primary

#3F484E

secondary

#7D736C

accent

#8E74B4

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #3F484E

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

Preview Lab → · Contrast checker → · Palette generator →