#3F6F7A#3F6F7A

#3F6F7A is a mid, muted cyan. Relative luminance 0.138; OKLCH L 51.2% C 0.055 H 214.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#3F6F7A
RGBrgb(63, 111, 122)
HSLhsl(191, 32%, 36%)
HSVhsv(191, 48%, 48%)
CMYKcmyk(48.4%, 9%, 0%, 52.2%)
CIE-LABlab(43.99, -13.10, -11.17)
CIE-LCHlch(43.99, 17.22, 220.45°)
OKLaboklab(51.2% -0.0455 -0.0308)
OKLCHoklch(51.2% 0.055 214.1)
XYZxyz(11.2459, 13.8299, 20.4854)
Luminance0.1383 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F6F7A #7A4A3F
analogous
#3F7A68 #3F6F7A #3F527A
triadic
#3F6F7A #7A3F6F #6F7A3F
tetradic
#3F6F7A #683F7A #7A4A3F #527A3F
square
#3F6F7A #683F7A #7A4A3F #527A3F
split-complementary
#3F6F7A #7A3F52 #7A683F
monochromatic
#152629 #2A4A52 #3F6F7A #5494A2 #79AEBA

Accessibility & contrast

On white

5.58
#3F6F7A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.77
#3F6F7A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6F7A
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F6F7A#FFFFFF#000000##FFFFFF
##3F6F7A1.005.583.775.58
#FFFFFF5.581.0021.001.00
#0000003.7721.001.0021.00
##FFFFFF5.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#676C7B
Deuteranopia (green-blind)
#5E657A
Tritanopia (blue-blind)
#217372
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #3f6f7a;
/* rgb */ color: rgb(63, 111, 122);
/* oklch */ color: oklch(51.2% 0.055 214.1);
Tailwind
colors: {
  custom: {
    50: '#7898a0',
    500: '#3f6f7a',
    950: '#000000',
  },
}
SCSS
$custom: #3f6f7a;
$custom-light: #7898a0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f6f7a",
  "rgb": {
    "r": 63,
    "g": 111,
    "b": 122
  },
  "hsl": {
    "h": 191.186,
    "s": 31.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.51203,
    "c": 0.05493,
    "h": 214.1
  },
  "luminance": 0.13831
}

Semantic roles & 50–950 ramp

primary
#3F6F7A
secondary
#A47A70
accent
#7360C8
background
#F7F9F9
surface
#EDF2F2
border
#C8CCCC
text
#090D0E
muted
#7B7E7E

Preview Lab

Preview with #3F6F7A

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

Preview Lab → · Contrast checker → · Palette generator →

#3F6F7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva