#4183D3#4183D3

#4183D3 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.5% C 0.140 H 254.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#4183D3
RGBrgb(65, 131, 211)
HSLhsl(213, 62%, 54%)
HSVhsv(213, 69%, 83%)
CMYKcmyk(69.2%, 37.9%, 0%, 17.3%)
CIE-LABlab(54.09, 5.12, -47.31)
CIE-LCHlch(54.09, 47.59, 276.18°)
OKLaboklab(60.52% -0.0369 -0.1347)
OKLCHoklch(60.52% 0.14 254.7)
XYZxyz(22.0498, 22.0572, 64.7108)
Luminance0.2206 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4183D3 #D39141
analogous
#41CCD3 #4183D3 #4841D3
triadic
#4183D3 #D34183 #83D341
tetradic
#4183D3 #D341CC #D39141 #41D348
square
#4183D3 #D341CC #D39141 #41D348
split-complementary
#4183D3 #D34841 #CCD341
monochromatic
#1D487D #2865AE #4183D3 #73A3DF #A4C4EA

Accessibility & contrast

On white

3.88
#4183D3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.41
#4183D3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D3
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4183D3#FFFFFF#000000##000000
##4183D31.003.885.415.41
#FFFFFF3.881.0021.0021.00
#0000005.4121.001.001.00
##0000005.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F89D6
Deuteranopia (green-blind)
#497BD1
Tritanopia (blue-blind)
#0096A1
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #4183d3;
/* rgb */ color: rgb(65, 131, 211);
/* oklch */ color: oklch(60.5% 0.140 254.7);
Tailwind
colors: {
  custom: {
    50: '#86a6e1',
    500: '#4183d3',
    950: '#000000',
  },
}
SCSS
$custom: #4183d3;
$custom-light: #86a6e1;
$custom-dark: #000000;
JSON
{
  "hex": "#4183d3",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 211
  },
  "hsl": {
    "h": 212.877,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60518,
    "c": 0.13964,
    "h": 254.7
  },
  "luminance": 0.2206
}

Semantic roles & 50–950 ramp

primary
#4183D3
secondary
#D7BB99
accent
#9C42E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4183D3

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

Preview Lab → · Contrast checker → · Palette generator →

#4183D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva