#3891D3#3891D3

#3891D3 is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.4% C 0.130 H 244.6°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#3891D3
RGBrgb(56, 145, 211)
HSLhsl(206, 64%, 52%)
HSVhsv(206, 73%, 83%)
CMYKcmyk(73.5%, 31.3%, 0%, 17.3%)
CIE-LABlab(57.84, -4.41, -41.40)
CIE-LCHlch(57.84, 41.63, 263.92°)
OKLaboklab(63.38% -0.0557 -0.1173)
OKLCHoklch(63.38% 0.13 244.6)
XYZxyz(23.5096, 25.7920, 65.3547)
Luminance0.2580 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3891D3 #D37A38
analogous
#38D3C7 #3891D3 #3844D3
triadic
#3891D3 #D33891 #91D338
tetradic
#3891D3 #C738D3 #D37A38 #44D338
square
#3891D3 #C738D3 #D37A38 #44D338
split-complementary
#3891D3 #D33844 #D3C738
monochromatic
#1A4F76 #2571A9 #3891D3 #6AADDE #9CC8E9

Accessibility & contrast

On white

3.41
#3891D3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.16
#3891D3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891D3
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3891D3#FFFFFF#000000##000000
##3891D31.003.416.166.16
#FFFFFF3.411.0021.0021.00
#0000006.1621.001.001.00
##0000006.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7393D6
Deuteranopia (green-blind)
#5D84D2
Tritanopia (blue-blind)
#00A1A8
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3891d3;
/* rgb */ color: rgb(56, 145, 211);
/* oklch */ color: oklch(63.4% 0.130 244.6);
Tailwind
colors: {
  custom: {
    50: '#82b1e1',
    500: '#3891d3',
    950: '#000000',
  },
}
SCSS
$custom: #3891d3;
$custom-light: #82b1e1;
$custom-dark: #000000;
JSON
{
  "hex": "#3891d3",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 205.548,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.63382,
    "c": 0.12987,
    "h": 244.6
  },
  "luminance": 0.25795
}

Semantic roles & 50–950 ramp

primary
#3891D3
secondary
#D5AE92
accent
#8841E7
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3891D3

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

Preview Lab → · Contrast checker → · Palette generator →

#3891D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva