#4182C5#4182C5

#4182C5 is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.5% C 0.123 H 251.2°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#4182C5
RGBrgb(65, 130, 197)
HSLhsl(210, 53%, 51%)
HSVhsv(210, 67%, 77%)
CMYKcmyk(67%, 34%, 0%, 22.7%)
CIE-LABlab(53.08, 0.81, -40.97)
CIE-LCHlch(53.08, 40.98, 271.14°)
OKLaboklab(59.49% -0.0395 -0.1161)
OKLCHoklch(59.49% 0.123 251.2)
XYZxyz(20.2369, 21.1182, 55.8222)
Luminance0.2112 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4182C5 #C58441
analogous
#41C4C5 #4182C5 #4241C5
triadic
#4182C5 #C54182 #82C541
tetradic
#4182C5 #C541C4 #C58441 #41C542
square
#4182C5 #C541C4 #C58441 #41C542
split-complementary
#4182C5 #C54241 #C4C541
monochromatic
#21456B #2F649A #4182C5 #70A1D3 #9FC0E2

Accessibility & contrast

On white

4.02
#4182C5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.22
#4182C5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182C5
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4182C5#FFFFFF#000000##000000
##4182C51.004.025.225.22
#FFFFFF4.021.0021.0021.00
#0000005.2221.001.001.00
##0000005.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6486C8
Deuteranopia (green-blind)
#5279C4
Tritanopia (blue-blind)
#00929A
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #4182c5;
/* rgb */ color: rgb(65, 130, 197);
/* oklch */ color: oklch(59.5% 0.123 251.2);
Tailwind
colors: {
  custom: {
    50: '#83a6d7',
    500: '#4182c5',
    950: '#000000',
  },
}
SCSS
$custom: #4182c5;
$custom-light: #83a6d7;
$custom-dark: #000000;
JSON
{
  "hex": "#4182c5",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 197
  },
  "hsl": {
    "h": 210.455,
    "s": 53.226,
    "l": 51.373
  },
  "oklch": {
    "l": 0.59494,
    "c": 0.12267,
    "h": 251.2
  },
  "luminance": 0.2112
}

Semantic roles & 50–950 ramp

primary
#4182C5
secondary
#CEB194
accent
#954BDD
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83

Preview Lab

Preview with #4182C5

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

Preview Lab → · Contrast checker → · Palette generator →

#4182C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva