#4E91B3#4E91B3

#4E91B3 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.6% C 0.085 H 232.5°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#4E91B3
RGBrgb(78, 145, 179)
HSLhsl(200, 40%, 50%)
HSVhsv(200, 56%, 70%)
CMYKcmyk(56.4%, 19%, 0%, 29.8%)
CIE-LABlab(57.20, -11.31, -24.26)
CIE-LCHlch(57.20, 26.77, 245.00°)
OKLaboklab(62.62% -0.052 -0.0676)
OKLCHoklch(62.62% 0.085 232.5)
XYZxyz(21.4009, 25.1232, 46.3606)
Luminance0.2512 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E91B3 #B3704E
analogous
#4EB3A2 #4E91B3 #4E5EB3
triadic
#4E91B3 #B34E91 #91B34E
tetradic
#4E91B3 #A24EB3 #B3704E #5EB34E
square
#4E91B3 #A24EB3 #B3704E #5EB34E
split-complementary
#4E91B3 #B34E5E #B3A24E
monochromatic
#284C5E #3B6F89 #4E91B3 #79ACC5 #A4C6D8

Accessibility & contrast

On white

3.49
#4E91B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#4E91B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91B3
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E91B3#FFFFFF#000000##000000
##4E91B31.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#808FB5
Deuteranopia (green-blind)
#7285B3
Tritanopia (blue-blind)
#009A9C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #4e91b3;
/* rgb */ color: rgb(78, 145, 179);
/* oklch */ color: oklch(62.6% 0.085 232.5);
Tailwind
colors: {
  custom: {
    50: '#87b1c9',
    500: '#4e91b3',
    950: '#000000',
  },
}
SCSS
$custom: #4e91b3;
$custom-light: #87b1c9;
$custom-dark: #000000;
JSON
{
  "hex": "#4e91b3",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 200.198,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.62623,
    "c": 0.08529,
    "h": 232.5
  },
  "luminance": 0.25125
}

Semantic roles & 50–950 ramp

primary
#4E91B3
secondary
#C5A798
accent
#8058D0
background
#F8FAFC
surface
#F0F5F8
border
#CBCFD1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #4E91B3

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

Preview Lab → · Contrast checker → · Palette generator →

#4E91B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva