#3F9BCE#3F9BCE

#3F9BCE is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.7% C 0.115 H 236.6°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#3F9BCE
RGBrgb(63, 155, 206)
HSLhsl(201, 59%, 53%)
HSVhsv(201, 69%, 81%)
CMYKcmyk(69.4%, 24.8%, 0%, 19.2%)
CIE-LABlab(60.74, -10.81, -34.04)
CIE-LCHlch(60.74, 35.72, 252.38°)
OKLaboklab(65.66% -0.063 -0.0958)
OKLCHoklch(65.66% 0.115 236.6)
XYZxyz(24.9075, 28.9529, 62.6563)
Luminance0.2896 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F9BCE #CE723F
analogous
#3FCEBA #3F9BCE #3F53CE
triadic
#3F9BCE #CE3F9B #9BCE3F
tetradic
#3F9BCE #BA3FCE #CE723F #53CE3F
square
#3F9BCE #BA3FCE #CE723F #53CE3F
split-complementary
#3F9BCE #CE3F53 #CEBA3F
monochromatic
#1E5675 #2A7AA6 #3F9BCE #70B4DA #A1CEE7

Accessibility & contrast

On white

3.09
#3F9BCE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.79
#3F9BCE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9BCE
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F9BCE#FFFFFF#000000##000000
##3F9BCE1.003.096.796.79
#FFFFFF3.091.0021.0021.00
#0000006.7921.001.001.00
##0000006.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#839AD0
Deuteranopia (green-blind)
#6F8CCD
Tritanopia (blue-blind)
#00A8AC
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #3f9bce;
/* rgb */ color: rgb(63, 155, 206);
/* oklch */ color: oklch(65.7% 0.115 236.6);
Tailwind
colors: {
  custom: {
    50: '#85b8dd',
    500: '#3f9bce',
    950: '#000000',
  },
}
SCSS
$custom: #3f9bce;
$custom-light: #85b8dd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f9bce",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 206
  },
  "hsl": {
    "h": 201.399,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65661,
    "c": 0.11469,
    "h": 236.6
  },
  "luminance": 0.28956
}

Semantic roles & 50–950 ramp

primary
#3F9BCE
secondary
#D3AC95
accent
#7D45E3
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3F9BCE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F9BCE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva