#3F4E56#3F4E56

#3F4E56 is a dark, muted cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.023 H 231.3°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E56
RGB	rgb(63, 78, 86)
HSL	hsl(201, 15%, 29%)
HSV	hsv(201, 27%, 34%)
CMYK	cmyk(26.7%, 9.3%, 0%, 66.3%)
CIE-LAB	lab(32.21, -3.81, -6.66)
CIE-LCH	lch(32.21, 7.67, 240.24°)
OKLab	oklab(41.41% -0.0145 -0.0181)
OKLCH	oklch(41.41% 0.023 231.3)
XYZ	xyz(6.4535, 7.1772, 9.8476)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E56 #56473F

analogous

#3F5653 #3F4E56 #3F4356

triadic

#3F4E56 #563F4E #4E563F

tetradic

#3F4E56 #533F56 #56473F #43563F

square

#3F4E56 #533F56 #56473F #43563F

split-complementary

#3F4E56 #563F43 #56533F

monochromatic

#0D1012 #252E33 #3F4E56 #596E79 #758D9A

Accessibility & contrast

On white

8.62

#3F4E56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3F4E56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E56

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E56	#FFFFFF	#000000	##FFFFFF
##3F4E56	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4D56

Deuteranopia (green-blind)

#474B56

Tritanopia (blue-blind)

#385050

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f4e56;
/* rgb */ color: rgb(63, 78, 86);
/* oklch */ color: oklch(41.4% 0.023 231.3);

Tailwind

colors: {
  custom: {
    50: '#747f85',
    500: '#3f4e56',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e56;
$custom-light: #747f85;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e56",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 86
  },
  "hsl": {
    "h": 200.87,
    "s": 15.436,
    "l": 29.216
  },
  "oklch": {
    "l": 0.41407,
    "c": 0.02322,
    "h": 231.3
  },
  "luminance": 0.07177
}

Semantic roles & 50–950 ramp

primary

#3F4E56

secondary

#85746B

accent

#8970B8

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#080A0B

muted

#7B7C7C

Preview Lab

Preview with #3F4E56

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

Preview Lab → · Contrast checker → · Palette generator →