#3F8BAF#3F8BAF

#3F8BAF is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.4% C 0.092 H 231.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#3F8BAF
RGBrgb(63, 139, 175)
HSLhsl(199, 47%, 47%)
HSVhsv(199, 64%, 69%)
CMYKcmyk(64%, 20.6%, 0%, 31.4%)
CIE-LABlab(54.67, -12.19, -25.91)
CIE-LCHlch(54.67, 28.64, 244.82°)
OKLaboklab(60.41% -0.0573 -0.0725)
OKLCHoklch(60.41% 0.092 231.7)
XYZxyz(19.0174, 22.6152, 43.9121)
Luminance0.2262 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8BAF #AF633F
analogous
#3FAF9B #3F8BAF #3F53AF
triadic
#3F8BAF #AF3F8B #8BAF3F
tetradic
#3F8BAF #9B3FAF #AF633F #53AF3F
square
#3F8BAF #9B3FAF #AF633F #53AF3F
split-complementary
#3F8BAF #AF3F53 #AF9B3F
monochromatic
#1F4455 #2F6782 #3F8BAF #64A7C7 #91C1D7

Accessibility & contrast

On white

3.80
#3F8BAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.52
#3F8BAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BAF
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8BAF#FFFFFF#000000##000000
##3F8BAF1.003.805.525.52
#FFFFFF3.801.0021.0021.00
#0000005.5221.001.001.00
##0000005.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7989B1
Deuteranopia (green-blind)
#6A7EAE
Tritanopia (blue-blind)
#009597
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #3f8baf;
/* rgb */ color: rgb(63, 139, 175);
/* oklch */ color: oklch(60.4% 0.092 231.7);
Tailwind
colors: {
  custom: {
    50: '#80acc7',
    500: '#3f8baf',
    950: '#000000',
  },
}
SCSS
$custom: #3f8baf;
$custom-light: #80acc7;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8baf",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 175
  },
  "hsl": {
    "h": 199.286,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.60406,
    "c": 0.09245,
    "h": 231.7
  },
  "luminance": 0.22617
}

Semantic roles & 50–950 ramp

primary
#3F8BAF
secondary
#C39A87
accent
#7C51D7
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3F8BAF

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8BAF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva