#3180BB#3180BB

#3180BB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.9% C 0.119 H 244.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#3180BB
RGBrgb(49, 128, 187)
HSLhsl(206, 58%, 46%)
HSVhsv(206, 74%, 73%)
CMYKcmyk(73.8%, 31.6%, 0%, 26.7%)
CIE-LABlab(51.47, -3.94, -37.82)
CIE-LCHlch(51.47, 38.03, 264.05°)
OKLaboklab(57.92% -0.0506 -0.1072)
OKLCHoklch(57.92% 0.119 244.7)
XYZxyz(17.9520, 19.6771, 49.8560)
Luminance0.1968 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3180BB #BB6C31
analogous
#31BBB1 #3180BB #313BBB
triadic
#3180BB #BB3180 #80BB31
tetradic
#3180BB #B131BB #BB6C31 #3BBB31
square
#3180BB #B131BB #BB6C31 #3BBB31
split-complementary
#3180BB #BB313B #BBB131
monochromatic
#183E5A #245F8B #3180BB #569ED3 #87BAE0

Accessibility & contrast

On white

4.25
#3180BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#3180BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3180BB
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3180BB#FFFFFF#000000##000000
##3180BB1.004.254.944.94
#FFFFFF4.251.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6582BE
Deuteranopia (green-blind)
#5275BA
Tritanopia (blue-blind)
#008E95
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #3180bb;
/* rgb */ color: rgb(49, 128, 187);
/* oklch */ color: oklch(57.9% 0.119 244.7);
Tailwind
colors: {
  custom: {
    50: '#7ba4cf',
    500: '#3180bb',
    950: '#000000',
  },
}
SCSS
$custom: #3180bb;
$custom-light: #7ba4cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3180bb",
  "rgb": {
    "r": 49,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 205.652,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57919,
    "c": 0.11852,
    "h": 244.7
  },
  "luminance": 0.19679
}

Semantic roles & 50–950 ramp

primary
#3180BB
secondary
#C99E7F
accent
#8946E2
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #3180BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3180BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva