#3F899B#3F899B

#3F899B is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.0% C 0.078 H 216.1°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#3F899B
RGBrgb(63, 137, 155)
HSLhsl(192, 42%, 43%)
HSVhsv(192, 59%, 61%)
CMYKcmyk(59.4%, 11.6%, 0%, 39.2%)
CIE-LABlab(53.29, -17.45, -16.52)
CIE-LCHlch(53.29, 24.03, 223.43°)
OKLaboklab(59.05% -0.0629 -0.0458)
OKLCHoklch(59.05% 0.078 216.1)
XYZxyz(16.9096, 21.3130, 34.2267)
Luminance0.2132 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F899B #9B513F
analogous
#3F9B7F #3F899B #3F5B9B
triadic
#3F899B #9B3F89 #899B3F
tetradic
#3F899B #7F3F9B #9B513F #5B9B3F
square
#3F899B #7F3F9B #9B513F #5B9B3F
split-complementary
#3F899B #9B3F5B #9B7F3F
monochromatic
#1C3C44 #2D636F #3F899B #5BA9BC #86C0CE

Accessibility & contrast

On white

3.99
#3F899B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.26
#3F899B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F899B
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F899B#FFFFFF#000000##000000
##3F899B1.003.995.265.26
#FFFFFF3.991.0021.0021.00
#0000005.2621.001.001.00
##0000005.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D859C
Deuteranopia (green-blind)
#6F7B9B
Tritanopia (blue-blind)
#00908F
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3f899b;
/* rgb */ color: rgb(63, 137, 155);
/* oklch */ color: oklch(59.0% 0.078 216.1);
Tailwind
colors: {
  custom: {
    50: '#7dabb8',
    500: '#3f899b',
    950: '#000000',
  },
}
SCSS
$custom: #3f899b;
$custom-light: #7dabb8;
$custom-dark: #000000;
JSON
{
  "hex": "#3f899b",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 155
  },
  "hsl": {
    "h": 191.739,
    "s": 42.202,
    "l": 42.745
  },
  "oklch": {
    "l": 0.59045,
    "c": 0.07785,
    "h": 216.1
  },
  "luminance": 0.21315
}

Semantic roles & 50–950 ramp

primary
#3F899B
secondary
#B8897D
accent
#6E56D2
background
#F8FAFB
surface
#EFF4F6
border
#CACED0
text
#0A1011
muted
#7C7F80

Preview Lab

Preview with #3F899B

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

Preview Lab → · Contrast checker → · Palette generator →

#3F899B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva