#3F757C#3F757C

#3F757C is a mid, muted teal. Relative luminance 0.152; OKLCH L 52.8% C 0.058 H 206.4°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#3F757C
RGBrgb(63, 117, 124)
HSLhsl(187, 33%, 37%)
HSVhsv(187, 49%, 49%)
CMYKcmyk(49.2%, 5.6%, 0%, 51.4%)
CIE-LABlab(45.95, -15.87, -9.41)
CIE-LCHlch(45.95, 18.45, 210.68°)
OKLaboklab(52.8% -0.0522 -0.0259)
OKLCHoklch(52.8% 0.058 206.4)
XYZxyz(12.0479, 15.2336, 21.3704)
Luminance0.1524 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F757C #7C463F
analogous
#3F7C65 #3F757C #3F577C
triadic
#3F757C #7C3F75 #757C3F
tetradic
#3F757C #653F7C #7C463F #577C3F
square
#3F757C #653F7C #7C463F #577C3F
split-complementary
#3F757C #7C3F57 #7C653F
monochromatic
#16282B #2A4F53 #3F757C #549BA5 #7AB4BB

Accessibility & contrast

On white

5.19
#3F757C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.05
#3F757C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F757C
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F757C#FFFFFF#000000##FFFFFF
##3F757C1.005.194.055.19
#FFFFFF5.191.0021.001.00
#0000004.0521.001.0021.00
##FFFFFF5.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D717C
Deuteranopia (green-blind)
#636A7C
Tritanopia (blue-blind)
#1E7977
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #3f757c;
/* rgb */ color: rgb(63, 117, 124);
/* oklch */ color: oklch(52.8% 0.058 206.4);
Tailwind
colors: {
  custom: {
    50: '#799da1',
    500: '#3f757c',
    950: '#000000',
  },
}
SCSS
$custom: #3f757c;
$custom-light: #799da1;
$custom-dark: #000000;
JSON
{
  "hex": "#3f757c",
  "rgb": {
    "r": 63,
    "g": 117,
    "b": 124
  },
  "hsl": {
    "h": 186.885,
    "s": 32.62,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52799,
    "c": 0.05833,
    "h": 206.4
  },
  "luminance": 0.15235
}

Semantic roles & 50–950 ramp

primary
#3F757C
secondary
#A67771
accent
#6B5FC9
background
#F7F9F9
surface
#EEF2F2
border
#C9CCCC
text
#090E0F
muted
#7B7E7E

Preview Lab

Preview with #3F757C

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

Preview Lab → · Contrast checker → · Palette generator →

#3F757C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva