#3183CE#3183CE

#3183CE is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.139 H 249.8°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#3183CE
RGBrgb(49, 131, 206)
HSLhsl(209, 62%, 50%)
HSVhsv(209, 76%, 81%)
CMYKcmyk(76.2%, 36.4%, 0%, 19.2%)
CIE-LABlab(53.32, 1.16, -45.73)
CIE-LCHlch(53.32, 45.75, 271.45°)
OKLaboklab(59.69% -0.048 -0.1302)
OKLCHoklch(59.69% 0.139 249.8)
XYZxyz(20.5193, 21.3394, 61.4180)
Luminance0.2134 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3183CE #CE7C31
analogous
#31CECA #3183CE #3135CE
triadic
#3183CE #CE3183 #83CE31
tetradic
#3183CE #CA31CE #CE7C31 #35CE31
square
#3183CE #CA31CE #CE7C31 #35CE31
split-complementary
#3183CE #CE3135 #CECA31
monochromatic
#19446B #25649D #3183CE #62A1DA #94BFE6

Accessibility & contrast

On white

3.99
#3183CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.27
#3183CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183CE
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3183CE#FFFFFF#000000##000000
##3183CE1.003.995.275.27
#FFFFFF3.991.0021.0021.00
#0000005.2721.001.001.00
##0000005.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6087D1
Deuteranopia (green-blind)
#4979CD
Tritanopia (blue-blind)
#00959F
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3183ce;
/* rgb */ color: rgb(49, 131, 206);
/* oklch */ color: oklch(59.7% 0.139 249.8);
Tailwind
colors: {
  custom: {
    50: '#7fa6dd',
    500: '#3183ce',
    950: '#000000',
  },
}
SCSS
$custom: #3183ce;
$custom-light: #7fa6dd;
$custom-dark: #000000;
JSON
{
  "hex": "#3183ce",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 206
  },
  "hsl": {
    "h": 208.662,
    "s": 61.569,
    "l": 50
  },
  "oklch": {
    "l": 0.59689,
    "c": 0.13882,
    "h": 249.8
  },
  "luminance": 0.21342
}

Semantic roles & 50–950 ramp

primary
#3183CE
secondary
#D1AC8A
accent
#9043E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3183CE

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

Preview Lab → · Contrast checker → · Palette generator →

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