#3F8EA5#3F8EA5

#3F8EA5 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.7% C 0.084 H 219.9°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#3F8EA5
RGBrgb(63, 142, 165)
HSLhsl(194, 45%, 45%)
HSVhsv(194, 62%, 65%)
CMYKcmyk(61.8%, 13.9%, 0%, 35.3%)
CIE-LABlab(55.19, -17.04, -19.38)
CIE-LCHlch(55.19, 25.81, 228.68°)
OKLaboklab(60.69% -0.0645 -0.0539)
OKLCHoklch(60.69% 0.084 219.9)
XYZxyz(18.5117, 23.1175, 39.0766)
Luminance0.2312 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8EA5 #A5563F
analogous
#3FA589 #3F8EA5 #3F5BA5
triadic
#3F8EA5 #A53F8E #8EA53F
tetradic
#3F8EA5 #893FA5 #A5563F #5BA53F
square
#3F8EA5 #893FA5 #A5563F #5BA53F
split-complementary
#3F8EA5 #A53F5B #A5893F
monochromatic
#1D424C #2E6879 #3F8EA5 #5FACC2 #8CC3D3

Accessibility & contrast

On white

3.73
#3F8EA5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.62
#3F8EA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EA5
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8EA5#FFFFFF#000000##000000
##3F8EA51.003.735.625.62
#FFFFFF3.731.0021.0021.00
#0000005.6221.001.001.00
##0000005.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#808AA6
Deuteranopia (green-blind)
#717FA5
Tritanopia (blue-blind)
#009695
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3f8ea5;
/* rgb */ color: rgb(63, 142, 165);
/* oklch */ color: oklch(60.7% 0.084 219.9);
Tailwind
colors: {
  custom: {
    50: '#7eafbf',
    500: '#3f8ea5',
    950: '#000000',
  },
}
SCSS
$custom: #3f8ea5;
$custom-light: #7eafbf;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8ea5",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 165
  },
  "hsl": {
    "h": 193.529,
    "s": 44.737,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60691,
    "c": 0.08404,
    "h": 219.9
  },
  "luminance": 0.23119
}

Semantic roles & 50–950 ramp

primary
#3F8EA5
secondary
#BE9082
accent
#7053D4
background
#F8FAFB
surface
#EFF4F7
border
#CACED0
text
#0B1012
muted
#7C7F81

Preview Lab

Preview with #3F8EA5

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8EA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva