#4591B0#4591B0

#4591B0 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.1% C 0.088 H 227.5°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#4591B0
RGBrgb(69, 145, 176)
HSLhsl(197, 44%, 48%)
HSVhsv(197, 61%, 69%)
CMYKcmyk(60.8%, 17.6%, 0%, 31%)
CIE-LABlab(56.73, -14.07, -23.30)
CIE-LCHlch(56.73, 27.22, 238.87°)
OKLaboklab(62.12% -0.0595 -0.065)
OKLCHoklch(62.12% 0.088 227.5)
XYZxyz(20.4131, 24.6486, 44.7478)
Luminance0.2465 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4591B0 #B06445
analogous
#45B099 #4591B0 #455CB0
triadic
#4591B0 #B04591 #91B045
tetradic
#4591B0 #9945B0 #B06445 #5CB045
square
#4591B0 #9945B0 #B06445 #5CB045
split-complementary
#4591B0 #B0455C #B09945
monochromatic
#234958 #346D84 #4591B0 #6DACC6 #99C5D7

Accessibility & contrast

On white

3.54
#4591B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.93
#4591B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591B0
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4591B0#FFFFFF#000000##000000
##4591B01.003.545.935.93
#FFFFFF3.541.0021.0021.00
#0000005.9321.001.001.00
##0000005.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#818EB2
Deuteranopia (green-blind)
#7183B0
Tritanopia (blue-blind)
#009A9B
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #4591b0;
/* rgb */ color: rgb(69, 145, 176);
/* oklch */ color: oklch(62.1% 0.088 227.5);
Tailwind
colors: {
  custom: {
    50: '#83b1c7',
    500: '#4591b0',
    950: '#000000',
  },
}
SCSS
$custom: #4591b0;
$custom-light: #83b1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#4591b0",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 197.383,
    "s": 43.673,
    "l": 48.039
  },
  "oklch": {
    "l": 0.62118,
    "c": 0.08812,
    "h": 227.5
  },
  "luminance": 0.24651
}

Semantic roles & 50–950 ramp

primary
#4591B0
secondary
#C39D8E
accent
#7954D3
background
#F8FAFC
surface
#F0F5F8
border
#CBCFD1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #4591B0

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

Preview Lab → · Contrast checker → · Palette generator →

#4591B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva