#3F8AAB#3F8AAB

#3F8AAB is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.0% C 0.089 H 229.7°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#3F8AAB
RGBrgb(63, 138, 171)
HSLhsl(198, 46%, 46%)
HSVhsv(198, 63%, 67%)
CMYKcmyk(63.2%, 19.3%, 0%, 32.9%)
CIE-LABlab(54.21, -12.93, -24.34)
CIE-LCHlch(54.21, 27.56, 242.02°)
OKLaboklab(59.98% -0.0577 -0.068)
OKLCHoklch(59.98% 0.089 229.7)
XYZxyz(18.4862, 22.1721, 41.8256)
Luminance0.2217 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8AAB #AB603F
analogous
#3FAB96 #3F8AAB #3F54AB
triadic
#3F8AAB #AB3F8A #8AAB3F
tetradic
#3F8AAB #963FAB #AB603F #54AB3F
square
#3F8AAB #963FAB #AB603F #54AB3F
split-complementary
#3F8AAB #AB3F54 #AB963F
monochromatic
#1E4252 #2F667E #3F8AAB #62A7C5 #8FC0D6

Accessibility & contrast

On white

3.86
#3F8AAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#3F8AAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AAB
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8AAB#FFFFFF#000000##000000
##3F8AAB1.003.865.435.43
#FFFFFF3.861.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7988AD
Deuteranopia (green-blind)
#6A7DAB
Tritanopia (blue-blind)
#009395
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3f8aab;
/* rgb */ color: rgb(63, 138, 171);
/* oklch */ color: oklch(60.0% 0.089 229.7);
Tailwind
colors: {
  custom: {
    50: '#7facc4',
    500: '#3f8aab',
    950: '#000000',
  },
}
SCSS
$custom: #3f8aab;
$custom-light: #7facc4;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8aab",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 171
  },
  "hsl": {
    "h": 198.333,
    "s": 46.154,
    "l": 45.882
  },
  "oklch": {
    "l": 0.59982,
    "c": 0.08921,
    "h": 229.7
  },
  "luminance": 0.22174
}

Semantic roles & 50–950 ramp

primary
#3F8AAB
secondary
#C19785
accent
#7A52D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1012
muted
#7C7F81

Preview Lab

Preview with #3F8AAB

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8AAB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva