#3F8CB6#3F8CB6

#3F8CB6 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.0% C 0.099 H 235.5°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#3F8CB6
RGBrgb(63, 140, 182)
HSLhsl(201, 49%, 48%)
HSVhsv(201, 65%, 71%)
CMYKcmyk(65.4%, 23.1%, 0%, 28.6%)
CIE-LABlab(55.27, -10.44, -29.00)
CIE-LCHlch(55.27, 30.82, 250.20°)
OKLaboklab(60.97% -0.0559 -0.0814)
OKLCHoklch(60.97% 0.099 235.5)
XYZxyz(19.8682, 23.1883, 47.6756)
Luminance0.2319 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8CB6 #B6693F
analogous
#3FB6A4 #3F8CB6 #3F51B6
triadic
#3F8CB6 #B63F8C #8CB63F
tetradic
#3F8CB6 #A43FB6 #B6693F #51B63F
square
#3F8CB6 #A43FB6 #B6693F #51B63F
split-complementary
#3F8CB6 #B63F51 #B6A43F
monochromatic
#20465B #2F6989 #3F8CB6 #68A8CB #95C2DA

Accessibility & contrast

On white

3.72
#3F8CB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.64
#3F8CB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CB6
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8CB6#FFFFFF#000000##000000
##3F8CB61.003.725.645.64
#FFFFFF3.721.0021.0021.00
#0000005.6421.001.001.00
##0000005.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#788BB8
Deuteranopia (green-blind)
#687FB5
Tritanopia (blue-blind)
#00979A
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3f8cb6;
/* rgb */ color: rgb(63, 140, 182);
/* oklch */ color: oklch(61.0% 0.099 235.5);
Tailwind
colors: {
  custom: {
    50: '#80adcc',
    500: '#3f8cb6',
    950: '#000000',
  },
}
SCSS
$custom: #3f8cb6;
$custom-light: #80adcc;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8cb6",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 182
  },
  "hsl": {
    "h": 201.176,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.60973,
    "c": 0.09872,
    "h": 235.5
  },
  "luminance": 0.2319
}

Semantic roles & 50–950 ramp

primary
#3F8CB6
secondary
#C6A08B
accent
#8050D8
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3F8CB6

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8CB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva