#4189BE#4189BE

#4189BE is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.108 H 243.2°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX#4189BE
RGBrgb(65, 137, 190)
HSLhsl(205, 49%, 50%)
HSVhsv(205, 66%, 75%)
CMYKcmyk(65.8%, 27.9%, 0%, 25.5%)
CIE-LABlab(54.79, -5.70, -34.29)
CIE-LCHlch(54.79, 34.76, 260.56°)
OKLaboklab(60.73% -0.0487 -0.0966)
OKLCHoklch(60.73% 0.108 243.2)
XYZxyz(20.4164, 22.7307, 52.0167)
Luminance0.2273 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4189BE #BE7641
analogous
#41BEB5 #4189BE #414ABE
triadic
#4189BE #BE4189 #89BE41
tetradic
#4189BE #B541BE #BE7641 #4ABE41
square
#4189BE #B541BE #BE7641 #4ABE41
split-complementary
#4189BE #BE414A #BEB541
monochromatic
#224763 #316890 #4189BE #6FA5CE #9CC2DD

Accessibility & contrast

On white

3.79
#4189BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.55
#4189BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189BE
5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4189BE#FFFFFF#000000##000000
##4189BE1.003.795.555.55
#FFFFFF3.791.0021.0021.00
#0000005.5521.001.001.00
##0000005.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#718AC0
Deuteranopia (green-blind)
#607EBD
Tritanopia (blue-blind)
#00969B
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #4189be;
/* rgb */ color: rgb(65, 137, 190);
/* oklch */ color: oklch(60.7% 0.108 243.2);
Tailwind
colors: {
  custom: {
    50: '#82abd2',
    500: '#4189be',
    950: '#000000',
  },
}
SCSS
$custom: #4189be;
$custom-light: #82abd2;
$custom-dark: #000000;
JSON
{
  "hex": "#4189be",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 190
  },
  "hsl": {
    "h": 205.44,
    "s": 49.02,
    "l": 50
  },
  "oklch": {
    "l": 0.60734,
    "c": 0.10824,
    "h": 243.2
  },
  "luminance": 0.22733
}

Semantic roles & 50–950 ramp

primary
#4189BE
secondary
#C9A991
accent
#894FD9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4189BE

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

Preview Lab → · Contrast checker → · Palette generator →

#4189BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva