#3F667E#3F667E

#3F667E is a mid, muted cyan. Relative luminance 0.121; OKLCH L 49.1% C 0.059 H 236.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#3F667E
RGBrgb(63, 102, 126)
HSLhsl(203, 33%, 37%)
HSVhsv(203, 50%, 49%)
CMYKcmyk(50%, 19%, 0%, 50.6%)
CIE-LABlab(41.32, -6.65, -17.65)
CIE-LCHlch(41.32, 18.86, 249.34°)
OKLaboklab(49.13% -0.0322 -0.049)
OKLCHoklch(49.13% 0.059 236.7)
XYZxyz(10.5658, 12.0651, 21.5066)
Luminance0.1207 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F667E #7E573F
analogous
#3F7E77 #3F667E #3F477E
triadic
#3F667E #7E3F66 #667E3F
tetradic
#3F667E #773F7E #7E573F #477E3F
square
#3F667E #773F7E #7E573F #477E3F
split-complementary
#3F667E #7E3F47 #7E773F
monochromatic
#16242C #2B4555 #3F667E #5387A7 #7BA4BD

Accessibility & contrast

On white

6.15
#3F667E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#3F667E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F667E
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F667E#FFFFFF#000000##FFFFFF
##3F667E1.006.153.416.15
#FFFFFF6.151.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B657F
Deuteranopia (green-blind)
#525E7E
Tritanopia (blue-blind)
#216C6E
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #3f667e;
/* rgb */ color: rgb(63, 102, 126);
/* oklch */ color: oklch(49.1% 0.059 236.7);
Tailwind
colors: {
  custom: {
    50: '#7891a3',
    500: '#3f667e',
    950: '#000000',
  },
}
SCSS
$custom: #3f667e;
$custom-light: #7891a3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f667e",
  "rgb": {
    "r": 63,
    "g": 102,
    "b": 126
  },
  "hsl": {
    "h": 202.857,
    "s": 33.333,
    "l": 37.059
  },
  "oklch": {
    "l": 0.49131,
    "c": 0.05864,
    "h": 236.7
  },
  "luminance": 0.12066
}

Semantic roles & 50–950 ramp

primary
#3F667E
secondary
#A78672
accent
#875EC9
background
#F7F8FA
surface
#EDF0F3
border
#C8CBCD
text
#090C0F
muted
#7B7D7F

Preview Lab

Preview with #3F667E

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

Preview Lab → · Contrast checker → · Palette generator →

#3F667E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva