#3891BF#3891BF

#3891BF is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.4% C 0.108 H 235.0°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#3891BF
RGBrgb(56, 145, 191)
HSLhsl(200, 55%, 48%)
HSVhsv(200, 71%, 75%)
CMYKcmyk(70.7%, 24.1%, 0%, 25.1%)
CIE-LABlab(56.93, -11.33, -31.55)
CIE-LCHlch(56.93, 33.52, 250.24°)
OKLaboklab(62.36% -0.0621 -0.0887)
OKLCHoklch(62.36% 0.108 235)
XYZxyz(21.1565, 24.8508, 52.9618)
Luminance0.2485 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3891BF #BF6638
analogous
#38BFA9 #3891BF #384EBF
triadic
#3891BF #BF3891 #91BF38
tetradic
#3891BF #A938BF #BF6638 #4EBF38
square
#3891BF #A938BF #BF6638 #4EBF38
split-complementary
#3891BF #BF384E #BFA938
monochromatic
#1C4960 #2A6D90 #3891BF #63ACD1 #92C5DF

Accessibility & contrast

On white

3.52
#3891BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.97
#3891BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891BF
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3891BF#FFFFFF#000000##000000
##3891BF1.003.525.975.97
#FFFFFF3.521.0021.0021.00
#0000005.9721.001.001.00
##0000005.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B90C1
Deuteranopia (green-blind)
#6883BE
Tritanopia (blue-blind)
#009DA1
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3891bf;
/* rgb */ color: rgb(56, 145, 191);
/* oklch */ color: oklch(62.4% 0.108 235.0);
Tailwind
colors: {
  custom: {
    50: '#7fb1d2',
    500: '#3891bf',
    950: '#000000',
  },
}
SCSS
$custom: #3891bf;
$custom-light: #7fb1d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3891bf",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 200.444,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.62362,
    "c": 0.10832,
    "h": 235
  },
  "luminance": 0.24853
}

Semantic roles & 50–950 ramp

primary
#3891BF
secondary
#CA9F89
accent
#7C4ADE
background
#F8FAFC
surface
#EFF5F9
border
#CACFD2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3891BF

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

Preview Lab → · Contrast checker → · Palette generator →

#3891BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva