#4B91BD#4B91BD

#4B91BD is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.9% C 0.097 H 238.5°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#4B91BD
RGBrgb(75, 145, 189)
HSLhsl(203, 46%, 52%)
HSVhsv(203, 60%, 74%)
CMYKcmyk(60.3%, 23.3%, 0%, 25.9%)
CIE-LABlab(57.48, -8.77, -29.51)
CIE-LCHlch(57.48, 30.78, 253.46°)
OKLaboklab(62.95% -0.0506 -0.0827)
OKLCHoklch(62.95% 0.097 238.5)
XYZxyz(22.2089, 25.4187, 51.8701)
Luminance0.2542 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B91BD #BD774B
analogous
#4BBDB0 #4B91BD #4B58BD
triadic
#4B91BD #BD4B91 #91BD4B
tetradic
#4B91BD #B04BBD #BD774B #58BD4B
square
#4B91BD #B04BBD #BD774B #58BD4B
split-complementary
#4B91BD #BD4B58 #BDB04B
monochromatic
#264E68 #367094 #4B91BD #78ACCD #A5C8DE

Accessibility & contrast

On white

3.45
#4B91BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.08
#4B91BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91BD
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B91BD#FFFFFF#000000##000000
##4B91BD1.003.456.086.08
#FFFFFF3.451.0021.0021.00
#0000006.0821.001.001.00
##0000006.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D91BF
Deuteranopia (green-blind)
#6D85BC
Tritanopia (blue-blind)
#009CA0
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4b91bd;
/* rgb */ color: rgb(75, 145, 189);
/* oklch */ color: oklch(62.9% 0.097 238.5);
Tailwind
colors: {
  custom: {
    50: '#87b1d1',
    500: '#4b91bd',
    950: '#000000',
  },
}
SCSS
$custom: #4b91bd;
$custom-light: #87b1d1;
$custom-dark: #000000;
JSON
{
  "hex": "#4b91bd",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 203.158,
    "s": 46.341,
    "l": 51.765
  },
  "oklch": {
    "l": 0.6295,
    "c": 0.09695,
    "h": 238.5
  },
  "luminance": 0.25421
}

Semantic roles & 50–950 ramp

primary
#4B91BD
secondary
#CBAC99
accent
#8552D6
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4B91BD

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

Preview Lab → · Contrast checker → · Palette generator →

#4B91BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva