#4183D9#4183D9

#4183D9 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.9% C 0.147 H 256.1°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#4183D9
RGBrgb(65, 131, 217)
HSLhsl(214, 67%, 55%)
HSVhsv(214, 70%, 85%)
CMYKcmyk(70%, 39.6%, 0%, 14.9%)
CIE-LABlab(54.41, 7.25, -50.18)
CIE-LCHlch(54.41, 50.70, 278.22°)
OKLaboklab(60.88% -0.0355 -0.1431)
OKLCHoklch(60.88% 0.147 256.1)
XYZxyz(22.8161, 22.3637, 68.7464)
Luminance0.2237 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4183D9 #D99741
analogous
#41CFD9 #4183D9 #4B41D9
triadic
#4183D9 #D94183 #83D941
tetradic
#4183D9 #D941CF #D99741 #41D94B
square
#4183D9 #D941CF #D99741 #41D94B
split-complementary
#4183D9 #D94B41 #CFD941
monochromatic
#1B4985 #2565B8 #4183D9 #74A4E3 #A7C6ED

Accessibility & contrast

On white

3.84
#4183D9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.47
#4183D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D9
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4183D9#FFFFFF#000000##000000
##4183D91.003.845.475.47
#FFFFFF3.841.0021.0021.00
#0000005.4721.001.001.00
##0000005.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B8ADC
Deuteranopia (green-blind)
#437CD7
Tritanopia (blue-blind)
#0097A3
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4183d9;
/* rgb */ color: rgb(65, 131, 217);
/* oklch */ color: oklch(60.9% 0.147 256.1);
Tailwind
colors: {
  custom: {
    50: '#87a6e5',
    500: '#4183d9',
    950: '#000000',
  },
}
SCSS
$custom: #4183d9;
$custom-light: #87a6e5;
$custom-dark: #000000;
JSON
{
  "hex": "#4183d9",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 217
  },
  "hsl": {
    "h": 213.947,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.60875,
    "c": 0.14743,
    "h": 256.1
  },
  "luminance": 0.22366
}

Semantic roles & 50–950 ramp

primary
#4183D9
secondary
#DBBF9B
accent
#9F3EEA
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D0F16
muted
#7D7F84

Preview Lab

Preview with #4183D9

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

Preview Lab → · Contrast checker → · Palette generator →

#4183D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva