#3F4A4E#3F4A4E

#3F4A4E is a dark, near-neutral cyan. Relative luminance 0.065; OKLCH L 40.1% C 0.016 H 221.7°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX#3F4A4E
RGBrgb(63, 74, 78)
HSLhsl(196, 11%, 28%)
HSVhsv(196, 19%, 31%)
CMYKcmyk(19.2%, 5.1%, 0%, 69.4%)
CIE-LABlab(30.65, -3.40, -3.86)
CIE-LCHlch(30.65, 5.15, 228.63°)
OKLaboklab(40.08% -0.0117 -0.0104)
OKLCHoklch(40.08% 0.016 221.7)
XYZxyz(5.8735, 6.5042, 8.1522)
Luminance0.0650 (WCAG relative)
Temperatureneutral
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F4A4E #4E433F
analogous
#3F4E4A #3F4A4E #3F424E
triadic
#3F4A4E #4E3F4A #4A4E3F
tetradic
#3F4A4E #4A3F4E #4E433F #424E3F
square
#3F4A4E #4A3F4E #4E433F #424E3F
split-complementary
#3F4A4E #4E3F42 #4E4A3F
monochromatic
#0E1011 #242A2C #3F4A4E #5A6A70 #778A91

Accessibility & contrast

On white

9.13
#3F4A4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#3F4A4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4A4E
9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F4A4E#FFFFFF#000000##FFFFFF
##3F4A4E1.009.132.309.13
#FFFFFF9.131.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#48494E
Deuteranopia (green-blind)
#45474E
Tritanopia (blue-blind)
#3B4B4B
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #3f4a4e;
/* rgb */ color: rgb(63, 74, 78);
/* oklch */ color: oklch(40.1% 0.016 221.7);
Tailwind
colors: {
  custom: {
    50: '#747c7f',
    500: '#3f4a4e',
    950: '#000000',
  },
}
SCSS
$custom: #3f4a4e;
$custom-light: #747c7f;
$custom-dark: #000000;
JSON
{
  "hex": "#3f4a4e",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 78
  },
  "hsl": {
    "h": 196,
    "s": 10.638,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40084,
    "c": 0.0157,
    "h": 221.7
  },
  "luminance": 0.06504
}

Semantic roles & 50–950 ramp

primary
#3F4A4E
secondary
#7D706C
accent
#8574B4
background
#F7F7F7
surface
#EDEEEE
border
#C8C9C9
text
#08090A
muted
#7B7B7C

Preview Lab

Preview with #3F4A4E

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

Preview Lab → · Contrast checker → · Palette generator →

#3F4A4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva