#4591D4#4591D4

#4591D4 is a light, vivid cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.126 H 247.8°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX#4591D4
RGBrgb(69, 145, 212)
HSLhsl(208, 62%, 55%)
HSVhsv(208, 67%, 83%)
CMYKcmyk(67.5%, 31.6%, 0%, 16.9%)
CIE-LABlab(58.29, -2.18, -41.22)
CIE-LCHlch(58.29, 41.28, 266.97°)
OKLaboklab(63.87% -0.0475 -0.1167)
OKLCHoklch(63.87% 0.126 247.8)
XYZxyz(24.4589, 26.2669, 66.0556)
Luminance0.2627 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4591D4 #D48845
analogous
#45D4CF #4591D4 #454AD4
triadic
#4591D4 #D44591 #91D445
tetradic
#4591D4 #CF45D4 #D48845 #4AD445
square
#4591D4 #CF45D4 #D48845 #4AD445
split-complementary
#4591D4 #D4454A #D4CF45
monochromatic
#1E5281 #2972B3 #4591D4 #77AEDF #A8CCEB

Accessibility & contrast

On white

3.36
#4591D4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.25
#4591D4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591D4
6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4591D4#FFFFFF#000000##000000
##4591D41.003.366.256.25
#FFFFFF3.361.0021.0021.00
#0000006.2521.001.001.00
##0000006.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7394D7
Deuteranopia (green-blind)
#5F86D3
Tritanopia (blue-blind)
#00A1A9
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4591d4;
/* rgb */ color: rgb(69, 145, 212);
/* oklch */ color: oklch(63.9% 0.126 247.8);
Tailwind
colors: {
  custom: {
    50: '#88b1e1',
    500: '#4591d4',
    950: '#000000',
  },
}
SCSS
$custom: #4591d4;
$custom-light: #88b1e1;
$custom-dark: #000000;
JSON
{
  "hex": "#4591d4",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 212
  },
  "hsl": {
    "h": 208.112,
    "s": 62.445,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63866,
    "c": 0.12598,
    "h": 247.8
  },
  "luminance": 0.26269
}

Semantic roles & 50–950 ramp

primary
#4591D4
secondary
#D8B99C
accent
#8F42E6
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0D1015
muted
#7D7F83

Preview Lab

Preview with #4591D4

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

Preview Lab → · Contrast checker → · Palette generator →

#4591D4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva