#3F97AB#3F97AB

#3F97AB is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.088 H 215.2°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX#3F97AB
RGBrgb(63, 151, 171)
HSLhsl(191, 46%, 46%)
HSVhsv(191, 63%, 67%)
CMYKcmyk(63.2%, 11.7%, 0%, 32.9%)
CIE-LABlab(58.16, -19.97, -18.29)
CIE-LCHlch(58.16, 27.08, 222.48°)
OKLaboklab(63.14% -0.0719 -0.0508)
OKLCHoklch(63.14% 0.088 215.2)
XYZxyz(20.4642, 26.1281, 42.4849)
Luminance0.2613 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F97AB #AB533F
analogous
#3FAB89 #3F97AB #3F61AB
triadic
#3F97AB #AB3F97 #97AB3F
tetradic
#3F97AB #893FAB #AB533F #61AB3F
square
#3F97AB #893FAB #AB533F #61AB3F
split-complementary
#3F97AB #AB3F61 #AB893F
monochromatic
#1E4852 #2F707E #3F97AB #62B3C5 #8FC9D6

Accessibility & contrast

On white

3.37
#3F97AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.23
#3F97AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97AB
6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F97AB#FFFFFF#000000##000000
##3F97AB1.003.376.236.23
#FFFFFF3.371.0021.0021.00
#0000006.2321.001.001.00
##0000006.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8992AC
Deuteranopia (green-blind)
#7987AB
Tritanopia (blue-blind)
#009E9D
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #3f97ab;
/* rgb */ color: rgb(63, 151, 171);
/* oklch */ color: oklch(63.1% 0.088 215.2);
Tailwind
colors: {
  custom: {
    50: '#80b5c4',
    500: '#3f97ab',
    950: '#000000',
  },
}
SCSS
$custom: #3f97ab;
$custom-light: #80b5c4;
$custom-dark: #000000;
JSON
{
  "hex": "#3f97ab",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 171
  },
  "hsl": {
    "h": 191.111,
    "s": 46.154,
    "l": 45.882
  },
  "oklch": {
    "l": 0.63142,
    "c": 0.08807,
    "h": 215.2
  },
  "luminance": 0.2613
}

Semantic roles & 50–950 ramp

primary
#3F97AB
secondary
#C19085
accent
#6A52D6
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1112
muted
#7C8081

Preview Lab

Preview with #3F97AB

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

Preview Lab → · Contrast checker → · Palette generator →

#3F97AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva