#4183BD#4183BD

#4183BD is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.3% C 0.112 H 247.5°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#4183BD
RGBrgb(65, 131, 189)
HSLhsl(208, 49%, 50%)
HSVhsv(208, 66%, 74%)
CMYKcmyk(65.6%, 30.7%, 0%, 25.9%)
CIE-LABlab(52.98, -2.54, -36.56)
CIE-LCHlch(52.98, 36.65, 266.02°)
OKLaboklab(59.29% -0.0428 -0.1033)
OKLCHoklch(59.29% 0.112 247.5)
XYZxyz(19.4782, 21.0286, 51.1667)
Luminance0.2103 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4183BD #BD7B41
analogous
#41BDB9 #4183BD #4145BD
triadic
#4183BD #BD4183 #83BD41
tetradic
#4183BD #B941BD #BD7B41 #45BD41
square
#4183BD #B941BD #BD7B41 #45BD41
split-complementary
#4183BD #BD4145 #BDB941
monochromatic
#224462 #31638F #4183BD #6EA1CD #9CBEDD

Accessibility & contrast

On white

4.03
#4183BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#4183BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183BD
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4183BD#FFFFFF#000000##000000
##4183BD1.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A85C0
Deuteranopia (green-blind)
#5979BC
Tritanopia (blue-blind)
#009198
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #4183bd;
/* rgb */ color: rgb(65, 131, 189);
/* oklch */ color: oklch(59.3% 0.112 247.5);
Tailwind
colors: {
  custom: {
    50: '#82a6d1',
    500: '#4183bd',
    950: '#000000',
  },
}
SCSS
$custom: #4183bd;
$custom-light: #82a6d1;
$custom-dark: #000000;
JSON
{
  "hex": "#4183bd",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 189
  },
  "hsl": {
    "h": 208.065,
    "s": 48.819,
    "l": 49.804
  },
  "oklch": {
    "l": 0.59289,
    "c": 0.1118,
    "h": 247.5
  },
  "luminance": 0.21031
}

Semantic roles & 50–950 ramp

primary
#4183BD
secondary
#C9AB91
accent
#8F4FD8
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C0F14
muted
#7D7F82

Preview Lab

Preview with #4183BD

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

Preview Lab → · Contrast checker → · Palette generator →

#4183BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva