#4E91AB#4E91AB

#4E91AB is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.3% C 0.079 H 225.5°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX#4E91AB
RGBrgb(78, 145, 171)
HSLhsl(197, 37%, 49%)
HSVhsv(197, 54%, 67%)
CMYKcmyk(54.4%, 15.2%, 0%, 32.9%)
CIE-LABlab(56.89, -13.76, -20.17)
CIE-LCHlch(56.89, 24.42, 235.70°)
OKLaboklab(62.28% -0.055 -0.056)
OKLCHoklch(62.28% 0.079 225.5)
XYZxyz(20.6152, 24.8090, 42.2224)
Luminance0.2481 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E91AB #AB684E
analogous
#4EAB97 #4E91AB #4E63AB
triadic
#4E91AB #AB4E91 #91AB4E
tetradic
#4E91AB #974EAB #AB684E #63AB4E
square
#4E91AB #974EAB #AB684E #63AB4E
split-complementary
#4E91AB #AB4E63 #AB974E
monochromatic
#284A57 #3B6D81 #4E91AB #76ACC0 #A0C5D4

Accessibility & contrast

On white

3.52
#4E91AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.96
#4E91AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91AB
5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E91AB#FFFFFF#000000##000000
##4E91AB1.003.525.965.96
#FFFFFF3.521.0021.0021.00
#0000005.9621.001.001.00
##0000005.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#838EAC
Deuteranopia (green-blind)
#7584AB
Tritanopia (blue-blind)
#049999
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #4e91ab;
/* rgb */ color: rgb(78, 145, 171);
/* oklch */ color: oklch(62.3% 0.079 225.5);
Tailwind
colors: {
  custom: {
    50: '#87b1c4',
    500: '#4e91ab',
    950: '#000000',
  },
}
SCSS
$custom: #4e91ab;
$custom-light: #87b1c4;
$custom-dark: #000000;
JSON
{
  "hex": "#4e91ab",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 196.774,
    "s": 37.349,
    "l": 48.824
  },
  "oklch": {
    "l": 0.62277,
    "c": 0.0785,
    "h": 225.5
  },
  "luminance": 0.24811
}

Semantic roles & 50–950 ramp

primary
#4E91AB
secondary
#C1A194
accent
#7B5ACD
background
#F8FAFC
surface
#F0F5F8
border
#CBCFD1
text
#0C1012
muted
#7D7F81

Preview Lab

Preview with #4E91AB

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

Preview Lab → · Contrast checker → · Palette generator →

#4E91AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva