#4E91B7#4E91B7

#4E91B7 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.089 H 235.5°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#4E91B7
RGBrgb(78, 145, 183)
HSLhsl(202, 42%, 51%)
HSVhsv(202, 57%, 72%)
CMYKcmyk(57.4%, 20.8%, 0%, 28.2%)
CIE-LABlab(57.35, -10.07, -26.29)
CIE-LCHlch(57.35, 28.15, 249.05°)
OKLaboklab(62.8% -0.0505 -0.0734)
OKLCHoklch(62.8% 0.089 235.5)
XYZxyz(21.8113, 25.2874, 48.5221)
Luminance0.2529 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E91B7 #B7744E
analogous
#4EB7A8 #4E91B7 #4E5CB7
triadic
#4E91B7 #B74E91 #91B74E
tetradic
#4E91B7 #A84EB7 #B7744E #5CB74E
square
#4E91B7 #A84EB7 #B7744E #5CB74E
split-complementary
#4E91B7 #B74E5C #B7A84E
monochromatic
#284D63 #3A708E #4E91B7 #7AACC9 #A5C7DA

Accessibility & contrast

On white

3.47
#4E91B7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.06
#4E91B7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91B7
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E91B7#FFFFFF#000000##000000
##4E91B71.003.476.066.06
#FFFFFF3.471.0021.0021.00
#0000006.0621.001.001.00
##0000006.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F90B9
Deuteranopia (green-blind)
#7185B6
Tritanopia (blue-blind)
#009B9E
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4e91b7;
/* rgb */ color: rgb(78, 145, 183);
/* oklch */ color: oklch(62.8% 0.089 235.5);
Tailwind
colors: {
  custom: {
    50: '#88b1cc',
    500: '#4e91b7',
    950: '#000000',
  },
}
SCSS
$custom: #4e91b7;
$custom-light: #88b1cc;
$custom-dark: #000000;
JSON
{
  "hex": "#4e91b7",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 183
  },
  "hsl": {
    "h": 201.714,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62802,
    "c": 0.08912,
    "h": 235.5
  },
  "luminance": 0.25289
}

Semantic roles & 50–950 ramp

primary
#4E91B7
secondary
#C8AA99
accent
#8356D2
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #4E91B7

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

Preview Lab → · Contrast checker → · Palette generator →

#4E91B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva