#4B99BC#4B99BC

#4B99BC is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.8% C 0.093 H 229.8°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#4B99BC
RGBrgb(75, 153, 188)
HSLhsl(199, 46%, 52%)
HSVhsv(199, 60%, 74%)
CMYKcmyk(60.1%, 18.6%, 0%, 26.3%)
CIE-LABlab(59.80, -13.52, -25.35)
CIE-LCHlch(59.80, 28.73, 241.93°)
OKLaboklab(64.78% -0.0598 -0.0707)
OKLCHoklch(64.78% 0.093 229.8)
XYZxyz(23.3665, 27.9069, 51.7224)
Luminance0.2791 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B99BC #BC6E4B
analogous
#4BBCA7 #4B99BC #4B61BC
triadic
#4B99BC #BC4B99 #99BC4B
tetradic
#4B99BC #A74BBC #BC6E4B #61BC4B
square
#4B99BC #A74BBC #BC6E4B #61BC4B
split-complementary
#4B99BC #BC4B61 #BCA74B
monochromatic
#265366 #377693 #4B99BC #78B2CD #A4CCDD

Accessibility & contrast

On white

3.19
#4B99BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#4B99BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B99BC
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B99BC#FFFFFF#000000##000000
##4B99BC1.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8797BE
Deuteranopia (green-blind)
#778BBC
Tritanopia (blue-blind)
#00A3A4
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #4b99bc;
/* rgb */ color: rgb(75, 153, 188);
/* oklch */ color: oklch(64.8% 0.093 229.8);
Tailwind
colors: {
  custom: {
    50: '#87b7d0',
    500: '#4b99bc',
    950: '#000000',
  },
}
SCSS
$custom: #4b99bc;
$custom-light: #87b7d0;
$custom-dark: #000000;
JSON
{
  "hex": "#4b99bc",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 198.584,
    "s": 45.749,
    "l": 51.569
  },
  "oklch": {
    "l": 0.64783,
    "c": 0.09263,
    "h": 229.8
  },
  "luminance": 0.27909
}

Semantic roles & 50–950 ramp

primary
#4B99BC
secondary
#CAA899
accent
#7B52D5
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #4B99BC

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

Preview Lab → · Contrast checker → · Palette generator →

#4B99BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva