#3183C2#3183C2

#3183C2 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.0% C 0.124 H 245.6°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#3183C2
RGBrgb(49, 131, 194)
HSLhsl(206, 60%, 48%)
HSVhsv(206, 75%, 76%)
CMYKcmyk(74.7%, 32.5%, 0%, 23.9%)
CIE-LABlab(52.71, -3.20, -39.88)
CIE-LCHlch(52.71, 40.01, 265.42°)
OKLaboklab(59.01% -0.0513 -0.1131)
OKLCHoklch(59.01% 0.124 245.6)
XYZxyz(19.1168, 20.7784, 54.0316)
Luminance0.2078 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3183C2 #C27031
analogous
#31C2B9 #3183C2 #313AC2
triadic
#3183C2 #C23183 #83C231
tetradic
#3183C2 #B931C2 #C27031 #3AC231
square
#3183C2 #B931C2 #C27031 #3AC231
split-complementary
#3183C2 #C2313A #C2B931
monochromatic
#184160 #256291 #3183C2 #5BA0D6 #8CBCE2

Accessibility & contrast

On white

4.07
#3183C2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.16
#3183C2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183C2
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3183C2#FFFFFF#000000##000000
##3183C21.004.075.165.16
#FFFFFF4.071.0021.0021.00
#0000005.1621.001.001.00
##0000005.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6685C5
Deuteranopia (green-blind)
#5278C1
Tritanopia (blue-blind)
#00929A
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3183c2;
/* rgb */ color: rgb(49, 131, 194);
/* oklch */ color: oklch(59.0% 0.124 245.6);
Tailwind
colors: {
  custom: {
    50: '#7da6d5',
    500: '#3183c2',
    950: '#000000',
  },
}
SCSS
$custom: #3183c2;
$custom-light: #7da6d5;
$custom-dark: #000000;
JSON
{
  "hex": "#3183c2",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 194
  },
  "hsl": {
    "h": 206.069,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59007,
    "c": 0.12425,
    "h": 245.6
  },
  "luminance": 0.20781
}

Semantic roles & 50–950 ramp

primary
#3183C2
secondary
#CCA383
accent
#8A45E3
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83

Preview Lab

Preview with #3183C2

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

Preview Lab → · Contrast checker → · Palette generator →

#3183C2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva