#3F8BB0#3F8BB0

#3F8BB0 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.5% C 0.093 H 232.4°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#3F8BB0
RGBrgb(63, 139, 176)
HSLhsl(200, 47%, 47%)
HSVhsv(200, 64%, 69%)
CMYKcmyk(64.2%, 21%, 0%, 31%)
CIE-LABlab(54.71, -11.86, -26.42)
CIE-LCHlch(54.71, 28.96, 245.83°)
OKLaboklab(60.45% -0.057 -0.074)
OKLCHoklch(60.45% 0.093 232.4)
XYZxyz(19.1159, 22.6546, 44.4312)
Luminance0.2266 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8BB0 #B0643F
analogous
#3FB09D #3F8BB0 #3F53B0
triadic
#3F8BB0 #B03F8B #8BB03F
tetradic
#3F8BB0 #9D3FB0 #B0643F #53B03F
square
#3F8BB0 #9D3FB0 #B0643F #53B03F
split-complementary
#3F8BB0 #B03F53 #B09D3F
monochromatic
#1F4456 #2F6783 #3F8BB0 #65A7C8 #92C1D8

Accessibility & contrast

On white

3.80
#3F8BB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.53
#3F8BB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BB0
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8BB0#FFFFFF#000000##000000
##3F8BB01.003.805.535.53
#FFFFFF3.801.0021.0021.00
#0000005.5321.001.001.00
##0000005.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7989B2
Deuteranopia (green-blind)
#697EAF
Tritanopia (blue-blind)
#009597
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #3f8bb0;
/* rgb */ color: rgb(63, 139, 176);
/* oklch */ color: oklch(60.5% 0.093 232.4);
Tailwind
colors: {
  custom: {
    50: '#80acc7',
    500: '#3f8bb0',
    950: '#000000',
  },
}
SCSS
$custom: #3f8bb0;
$custom-light: #80acc7;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8bb0",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 199.646,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.60452,
    "c": 0.09337,
    "h": 232.4
  },
  "luminance": 0.22657
}

Semantic roles & 50–950 ramp

primary
#3F8BB0
secondary
#C39B88
accent
#7D51D7
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3F8BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva