#4B8BB3#4B8BB3

#4B8BB3 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.1% C 0.090 H 238.1°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#4B8BB3
RGBrgb(75, 139, 179)
HSLhsl(203, 41%, 50%)
HSVhsv(203, 58%, 70%)
CMYKcmyk(58.1%, 22.3%, 0%, 29.8%)
CIE-LABlab(55.29, -8.58, -27.21)
CIE-LCHlch(55.29, 28.53, 252.51°)
OKLaboklab(61.08% -0.0474 -0.0761)
OKLCHoklch(61.08% 0.09 238.1)
XYZxyz(20.2679, 23.2139, 46.0517)
Luminance0.2322 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B8BB3 #B3734B
analogous
#4BB3A7 #4B8BB3 #4B57B3
triadic
#4B8BB3 #B34B8B #8BB34B
tetradic
#4B8BB3 #A74BB3 #B3734B #57B34B
square
#4B8BB3 #A74BB3 #B3734B #57B34B
split-complementary
#4B8BB3 #B34B57 #B3A74B
monochromatic
#27485D #396A88 #4B8BB3 #76A7C5 #A1C3D8

Accessibility & contrast

On white

3.72
#4B8BB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.64
#4B8BB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8BB3
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B8BB3#FFFFFF#000000##000000
##4B8BB31.003.725.645.64
#FFFFFF3.721.0021.0021.00
#0000005.6421.001.001.00
##0000005.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#798AB5
Deuteranopia (green-blind)
#6A80B2
Tritanopia (blue-blind)
#009598
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4b8bb3;
/* rgb */ color: rgb(75, 139, 179);
/* oklch */ color: oklch(61.1% 0.090 238.1);
Tailwind
colors: {
  custom: {
    50: '#86acca',
    500: '#4b8bb3',
    950: '#000000',
  },
}
SCSS
$custom: #4b8bb3;
$custom-light: #86acca;
$custom-dark: #000000;
JSON
{
  "hex": "#4b8bb3",
  "rgb": {
    "r": 75,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 203.077,
    "s": 40.945,
    "l": 49.804
  },
  "oklch": {
    "l": 0.61078,
    "c": 0.08966,
    "h": 238.1
  },
  "luminance": 0.23216
}

Semantic roles & 50–950 ramp

primary
#4B8BB3
secondary
#C4A795
accent
#8657D1
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #4B8BB3

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

Preview Lab → · Contrast checker → · Palette generator →

#4B8BB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva