#4D99BC#4D99BC

#4D99BC is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.9% C 0.091 H 230.3°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#4D99BC
RGBrgb(77, 153, 188)
HSLhsl(199, 45%, 52%)
HSVhsv(199, 59%, 74%)
CMYKcmyk(59%, 18.6%, 0%, 26.3%)
CIE-LABlab(59.88, -13.13, -25.23)
CIE-LCHlch(59.88, 28.45, 242.51°)
OKLaboklab(64.86% -0.0584 -0.0704)
OKLCHoklch(64.86% 0.091 230.3)
XYZxyz(23.5254, 27.9888, 51.7298)
Luminance0.2799 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4D99BC #BC704D
analogous
#4DBCA8 #4D99BC #4D62BC
triadic
#4D99BC #BC4D99 #99BC4D
tetradic
#4D99BC #A84DBC #BC704D #62BC4D
square
#4D99BC #A84DBC #BC704D #62BC4D
split-complementary
#4D99BC #BC4D62 #BCA84D
monochromatic
#275368 #387794 #4D99BC #79B2CD #A6CCDD

Accessibility & contrast

On white

3.18
#4D99BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.60
#4D99BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99BC
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4D99BC#FFFFFF#000000##000000
##4D99BC1.003.186.606.60
#FFFFFF3.181.0021.0021.00
#0000006.6021.001.001.00
##0000006.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8797BE
Deuteranopia (green-blind)
#788BBC
Tritanopia (blue-blind)
#00A3A4
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #4d99bc;
/* rgb */ color: rgb(77, 153, 188);
/* oklch */ color: oklch(64.9% 0.091 230.3);
Tailwind
colors: {
  custom: {
    50: '#88b7d0',
    500: '#4d99bc',
    950: '#000000',
  },
}
SCSS
$custom: #4d99bc;
$custom-light: #88b7d0;
$custom-dark: #000000;
JSON
{
  "hex": "#4d99bc",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 198.919,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.64863,
    "c": 0.09146,
    "h": 230.3
  },
  "luminance": 0.27991
}

Semantic roles & 50–950 ramp

primary
#4D99BC
secondary
#CBA99A
accent
#7C53D5
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #4D99BC

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

Preview Lab → · Contrast checker → · Palette generator →

#4D99BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva