#4B91D3#4B91D3

#4B91D3 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.0% C 0.122 H 249.1°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#4B91D3
RGBrgb(75, 145, 211)
HSLhsl(209, 61%, 56%)
HSVhsv(209, 64%, 83%)
CMYKcmyk(64.5%, 31.3%, 0%, 17.3%)
CIE-LABlab(58.46, -1.53, -40.38)
CIE-LCHlch(58.46, 40.41, 267.84°)
OKLaboklab(64.04% -0.0437 -0.1141)
OKLCHoklch(64.04% 0.122 249.1)
XYZxyz(24.7806, 26.4473, 65.4143)
Luminance0.2645 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B91D3 #D38D4B
analogous
#4BD3D1 #4B91D3 #4B4DD3
triadic
#4B91D3 #D34B91 #91D34B
tetradic
#4B91D3 #D14BD3 #D38D4B #4DD34B
square
#4B91D3 #D14BD3 #D38D4B #4DD34B
split-complementary
#4B91D3 #D34B4D #D3D14B
monochromatic
#205383 #2C72B5 #4B91D3 #7CAFDF #ADCDEB

Accessibility & contrast

On white

3.34
#4B91D3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#4B91D3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91D3
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B91D3#FFFFFF#000000##000000
##4B91D31.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7494D6
Deuteranopia (green-blind)
#6287D2
Tritanopia (blue-blind)
#00A1A8
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #4b91d3;
/* rgb */ color: rgb(75, 145, 211);
/* oklch */ color: oklch(64.0% 0.122 249.1);
Tailwind
colors: {
  custom: {
    50: '#8ab1e1',
    500: '#4b91d3',
    950: '#000000',
  },
}
SCSS
$custom: #4b91d3;
$custom-light: #8ab1e1;
$custom-dark: #000000;
JSON
{
  "hex": "#4b91d3",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 209.118,
    "s": 60.714,
    "l": 56.078
  },
  "oklch": {
    "l": 0.64044,
    "c": 0.12222,
    "h": 249.1
  },
  "luminance": 0.2645
}

Semantic roles & 50–950 ramp

primary
#4B91D3
secondary
#D9BCA1
accent
#9244E4
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #4B91D3

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

Preview Lab → · Contrast checker → · Palette generator →

#4B91D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva