#4B91CE#4B91CE

#4B91CE is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.8% C 0.116 H 247.1°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#4B91CE
RGBrgb(75, 145, 206)
HSLhsl(208, 57%, 55%)
HSVhsv(208, 64%, 81%)
CMYKcmyk(63.6%, 29.6%, 0%, 19.2%)
CIE-LABlab(58.23, -3.20, -37.94)
CIE-LCHlch(58.23, 38.07, 265.18°)
OKLaboklab(63.79% -0.0452 -0.107)
OKLCHoklch(63.79% 0.116 247.1)
XYZxyz(24.1635, 26.2005, 62.1643)
Luminance0.2620 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B91CE #CE884B
analogous
#4BCEC9 #4B91CE #4B4FCE
triadic
#4B91CE #CE4B91 #91CE4B
tetradic
#4B91CE #C94BCE #CE884B #4FCE4B
square
#4B91CE #C94BCE #CE884B #4FCE4B
split-complementary
#4B91CE #CE4B4F #CEC94B
monochromatic
#22527D #2F72AD #4B91CE #7BAEDB #ABCCE8

Accessibility & contrast

On white

3.37
#4B91CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.24
#4B91CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91CE
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B91CE#FFFFFF#000000##000000
##4B91CE1.003.376.246.24
#FFFFFF3.371.0021.0021.00
#0000006.2421.001.001.00
##0000006.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7693D1
Deuteranopia (green-blind)
#6586CD
Tritanopia (blue-blind)
#00A0A6
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4b91ce;
/* rgb */ color: rgb(75, 145, 206);
/* oklch */ color: oklch(63.8% 0.116 247.1);
Tailwind
colors: {
  custom: {
    50: '#89b1dd',
    500: '#4b91ce',
    950: '#000000',
  },
}
SCSS
$custom: #4b91ce;
$custom-light: #89b1dd;
$custom-dark: #000000;
JSON
{
  "hex": "#4b91ce",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 206
  },
  "hsl": {
    "h": 207.939,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63785,
    "c": 0.11618,
    "h": 247.1
  },
  "luminance": 0.26203
}

Semantic roles & 50–950 ramp

primary
#4B91CE
secondary
#D6B99F
accent
#8F47E0
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #4B91CE

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

Preview Lab → · Contrast checker → · Palette generator →

#4B91CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva