#4590CB#4590CB

#4590CB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.2% C 0.116 H 244.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#4590CB
RGBrgb(69, 144, 203)
HSLhsl(206, 56%, 53%)
HSVhsv(206, 66%, 80%)
CMYKcmyk(66%, 29.1%, 0%, 20.4%)
CIE-LABlab(57.58, -4.66, -37.28)
CIE-LCHlch(57.58, 37.57, 262.87°)
OKLaboklab(63.17% -0.0492 -0.1052)
OKLCHoklch(63.17% 0.116 244.9)
XYZxyz(23.2029, 25.5211, 60.1916)
Luminance0.2552 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4590CB #CB8045
analogous
#45CBC3 #4590CB #454DCB
triadic
#4590CB #CB4590 #90CB45
tetradic
#4590CB #C345CB #CB8045 #4DCB45
square
#4590CB #C345CB #CB8045 #4DCB45
split-complementary
#4590CB #CB454D #CBC345
monochromatic
#215075 #2E70A5 #4590CB #75ADD8 #A5C9E6

Accessibility & contrast

On white

3.44
#4590CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.10
#4590CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4590CB
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4590CB#FFFFFF#000000##000000
##4590CB1.003.446.106.10
#FFFFFF3.441.0021.0021.00
#0000006.1021.001.001.00
##0000006.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7692CE
Deuteranopia (green-blind)
#6384CA
Tritanopia (blue-blind)
#009EA5
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4590cb;
/* rgb */ color: rgb(69, 144, 203);
/* oklch */ color: oklch(63.2% 0.116 244.9);
Tailwind
colors: {
  custom: {
    50: '#86b0db',
    500: '#4590cb',
    950: '#000000',
  },
}
SCSS
$custom: #4590cb;
$custom-light: #86b0db;
$custom-dark: #000000;
JSON
{
  "hex": "#4590cb",
  "rgb": {
    "r": 69,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 206.418,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.63169,
    "c": 0.11615,
    "h": 244.9
  },
  "luminance": 0.25524
}

Semantic roles & 50–950 ramp

primary
#4590CB
secondary
#D3B299
accent
#8B48E0
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4590CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4590CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva