#3198BB#3198BB

#3198BB is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.7% C 0.105 H 225.1°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#3198BB
RGBrgb(49, 152, 187)
HSLhsl(195, 58%, 46%)
HSVhsv(195, 74%, 73%)
CMYKcmyk(73.8%, 18.7%, 0%, 26.7%)
CIE-LABlab(58.69, -17.48, -26.57)
CIE-LCHlch(58.69, 31.80, 236.67°)
OKLaboklab(63.66% -0.0741 -0.0744)
OKLCHoklch(63.66% 0.105 225.1)
XYZxyz(21.4608, 26.6948, 51.0256)
Luminance0.2670 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3198BB #BB5431
analogous
#31BB99 #3198BB #3153BB
triadic
#3198BB #BB3198 #98BB31
tetradic
#3198BB #9931BB #BB5431 #53BB31
square
#3198BB #9931BB #BB5431 #53BB31
split-complementary
#3198BB #BB3153 #BB9931
monochromatic
#18495A #24718B #3198BB #56B3D3 #87C9E0

Accessibility & contrast

On white

3.31
#3198BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.34
#3198BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3198BB
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3198BB#FFFFFF#000000##000000
##3198BB1.003.316.346.34
#FFFFFF3.311.0021.0021.00
#0000006.3421.001.001.00
##0000006.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8595BD
Deuteranopia (green-blind)
#7287BB
Tritanopia (blue-blind)
#00A2A3
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3198bb;
/* rgb */ color: rgb(49, 152, 187);
/* oklch */ color: oklch(63.7% 0.105 225.1);
Tailwind
colors: {
  custom: {
    50: '#7db6cf',
    500: '#3198bb',
    950: '#000000',
  },
}
SCSS
$custom: #3198bb;
$custom-light: #7db6cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3198bb",
  "rgb": {
    "r": 49,
    "g": 152,
    "b": 187
  },
  "hsl": {
    "h": 195.217,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.63662,
    "c": 0.10503,
    "h": 225.1
  },
  "luminance": 0.26697
}

Semantic roles & 50–950 ramp

primary
#3198BB
secondary
#C9927F
accent
#6E46E2
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #3198BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3198BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva