#4183DC#4183DC

#4183DC is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 61.1% C 0.151 H 256.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX#4183DC
RGBrgb(65, 131, 220)
HSLhsl(214, 69%, 56%)
HSVhsv(214, 70%, 86%)
CMYKcmyk(70.5%, 40.5%, 0%, 13.7%)
CIE-LABlab(54.58, 8.32, -51.60)
CIE-LCHlch(54.58, 52.27, 279.16°)
OKLaboklab(61.06% -0.0348 -0.1473)
OKLCHoklch(61.06% 0.151 256.7)
XYZxyz(23.2098, 22.5212, 70.8201)
Luminance0.2252 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4183DC #DC9A41
analogous
#41D0DC #4183DC #4C41DC
triadic
#4183DC #DC4183 #83DC41
tetradic
#4183DC #DC41D0 #DC9A41 #41DC4C
square
#4183DC #DC41D0 #DC9A41 #41DC4C
split-complementary
#4183DC #DC4C41 #D0DC41
monochromatic
#194989 #2364BD #4183DC #75A5E6 #A8C6EF

Accessibility & contrast

On white

3.81
#4183DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.50
#4183DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183DC
5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4183DC#FFFFFF#000000##000000
##4183DC1.003.815.505.50
#FFFFFF3.811.0021.0021.00
#0000005.5021.001.001.00
##0000005.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#598AE0
Deuteranopia (green-blind)
#407CDA
Tritanopia (blue-blind)
#0098A5
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #4183dc;
/* rgb */ color: rgb(65, 131, 220);
/* oklch */ color: oklch(61.1% 0.151 256.7);
Tailwind
colors: {
  custom: {
    50: '#87a6e7',
    500: '#4183dc',
    950: '#000000',
  },
}
SCSS
$custom: #4183dc;
$custom-light: #87a6e7;
$custom-dark: #000000;
JSON
{
  "hex": "#4183dc",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 220
  },
  "hsl": {
    "h": 214.452,
    "s": 68.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.61057,
    "c": 0.15133,
    "h": 256.7
  },
  "luminance": 0.22524
}

Semantic roles & 50–950 ramp

primary
#4183DC
secondary
#DDC19C
accent
#A13CEC
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84

Preview Lab

Preview with #4183DC

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

Preview Lab → · Contrast checker → · Palette generator →

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