#4E91B0#4E91B0

#4E91B0 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.083 H 230.0°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#4E91B0
RGBrgb(78, 145, 176)
HSLhsl(199, 39%, 50%)
HSVhsv(199, 56%, 69%)
CMYKcmyk(55.7%, 17.6%, 0%, 31%)
CIE-LABlab(57.08, -12.24, -22.73)
CIE-LCHlch(57.08, 25.82, 241.70°)
OKLaboklab(62.49% -0.0531 -0.0633)
OKLCHoklch(62.49% 0.083 230)
XYZxyz(21.1008, 25.0032, 44.7800)
Luminance0.2500 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E91B0 #B06D4E
analogous
#4EB09E #4E91B0 #4E60B0
triadic
#4E91B0 #B04E91 #91B04E
tetradic
#4E91B0 #9E4EB0 #B06D4E #60B04E
square
#4E91B0 #9E4EB0 #B06D4E #60B04E
split-complementary
#4E91B0 #B04E60 #B09E4E
monochromatic
#284B5B #3B6E86 #4E91B0 #78ABC3 #A2C6D6

Accessibility & contrast

On white

3.50
#4E91B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.00
#4E91B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91B0
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E91B0#FFFFFF#000000##000000
##4E91B01.003.506.006.00
#FFFFFF3.501.0021.0021.00
#0000006.0021.001.001.00
##0000006.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#818FB2
Deuteranopia (green-blind)
#7384B0
Tritanopia (blue-blind)
#009A9B
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #4e91b0;
/* rgb */ color: rgb(78, 145, 176);
/* oklch */ color: oklch(62.5% 0.083 230.0);
Tailwind
colors: {
  custom: {
    50: '#87b1c7',
    500: '#4e91b0',
    950: '#000000',
  },
}
SCSS
$custom: #4e91b0;
$custom-light: #87b1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#4e91b0",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 198.98,
    "s": 38.583,
    "l": 49.804
  },
  "oklch": {
    "l": 0.62491,
    "c": 0.0826,
    "h": 230
  },
  "luminance": 0.25005
}

Semantic roles & 50–950 ramp

primary
#4E91B0
secondary
#C3A597
accent
#7E59CF
background
#F8FAFC
surface
#F0F5F8
border
#CBCFD1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #4E91B0

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

Preview Lab → · Contrast checker → · Palette generator →

#4E91B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva