#4182B2#4182B2

#4182B2 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.5% C 0.100 H 243.0°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#4182B2
RGBrgb(65, 130, 178)
HSLhsl(205, 47%, 48%)
HSVhsv(205, 63%, 70%)
CMYKcmyk(63.5%, 27%, 0%, 30.2%)
CIE-LABlab(52.18, -5.70, -31.51)
CIE-LCHlch(52.18, 32.02, 259.75°)
OKLaboklab(58.49% -0.0452 -0.0887)
OKLCHoklch(58.49% 0.1 243)
XYZxyz(18.1955, 20.3016, 45.0706)
Luminance0.2030 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4182B2 #B27141
analogous
#41B2AA #4182B2 #4149B2
triadic
#4182B2 #B24182 #82B241
tetradic
#4182B2 #AA41B2 #B27141 #49B241
square
#4182B2 #AA41B2 #B27141 #49B241
split-complementary
#4182B2 #B24149 #B2AA41
monochromatic
#204158 #316185 #4182B2 #689FC8 #95BCD8

Accessibility & contrast

On white

4.15
#4182B2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#4182B2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182B2
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4182B2#FFFFFF#000000##000000
##4182B21.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D83B4
Deuteranopia (green-blind)
#5D77B1
Tritanopia (blue-blind)
#008E93
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #4182b2;
/* rgb */ color: rgb(65, 130, 178);
/* oklch */ color: oklch(58.5% 0.100 243.0);
Tailwind
colors: {
  custom: {
    50: '#80a6c9',
    500: '#4182b2',
    950: '#000000',
  },
}
SCSS
$custom: #4182b2;
$custom-light: #80a6c9;
$custom-dark: #000000;
JSON
{
  "hex": "#4182b2",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 178
  },
  "hsl": {
    "h": 205.487,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58487,
    "c": 0.0995,
    "h": 243
  },
  "luminance": 0.20303
}

Semantic roles & 50–950 ramp

primary
#4182B2
secondary
#C4A38B
accent
#8A52D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #4182B2

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

Preview Lab → · Contrast checker → · Palette generator →

#4182B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva