#4F9BBB#4F9BBB

#4F9BBB is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.4% C 0.089 H 227.9°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#4F9BBB
RGBrgb(79, 155, 187)
HSLhsl(198, 44%, 52%)
HSVhsv(198, 58%, 73%)
CMYKcmyk(57.8%, 17.1%, 0%, 26.7%)
CIE-LABlab(60.51, -14.13, -23.70)
CIE-LCHlch(60.51, 27.59, 239.19°)
OKLaboklab(65.37% -0.0596 -0.066)
OKLCHoklch(65.37% 0.089 227.9)
XYZxyz(23.9120, 28.6906, 51.2818)
Luminance0.2869 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F9BBB #BB6F4F
analogous
#4FBBA5 #4F9BBB #4F65BB
triadic
#4F9BBB #BB4F9B #9BBB4F
tetradic
#4F9BBB #A54FBB #BB6F4F #65BB4F
square
#4F9BBB #A54FBB #BB6F4F #65BB4F
split-complementary
#4F9BBB #BB4F65 #BBA54F
monochromatic
#285568 #397994 #4F9BBB #7BB4CC #A7CDDD

Accessibility & contrast

On white

3.12
#4F9BBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.74
#4F9BBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F9BBB
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F9BBB#FFFFFF#000000##000000
##4F9BBB1.003.126.746.74
#FFFFFF3.121.0021.0021.00
#0000006.7421.001.001.00
##0000006.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A98BD
Deuteranopia (green-blind)
#7B8DBB
Tritanopia (blue-blind)
#00A4A5
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #4f9bbb;
/* rgb */ color: rgb(79, 155, 187);
/* oklch */ color: oklch(65.4% 0.089 227.9);
Tailwind
colors: {
  custom: {
    50: '#89b8cf',
    500: '#4f9bbb',
    950: '#000000',
  },
}
SCSS
$custom: #4f9bbb;
$custom-light: #89b8cf;
$custom-dark: #000000;
JSON
{
  "hex": "#4f9bbb",
  "rgb": {
    "r": 79,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 197.778,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65372,
    "c": 0.08891,
    "h": 227.9
  },
  "luminance": 0.28693
}

Semantic roles & 50–950 ramp

primary
#4F9BBB
secondary
#CAA99B
accent
#7A54D4
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #4F9BBB

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

Preview Lab → · Contrast checker → · Palette generator →

#4F9BBB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva