#4590D3#4590D3

#4590D3 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.126 H 248.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#4590D3
RGBrgb(69, 144, 211)
HSLhsl(208, 62%, 55%)
HSVhsv(208, 67%, 83%)
CMYKcmyk(67.3%, 31.8%, 0%, 17.3%)
CIE-LABlab(57.95, -1.94, -41.19)
CIE-LCHlch(57.95, 41.24, 267.30°)
OKLaboklab(63.59% -0.0468 -0.1166)
OKLCHoklch(63.59% 0.126 248.1)
XYZxyz(24.1810, 25.9123, 65.3426)
Luminance0.2591 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4590D3 #D38845
analogous
#45D3CF #4590D3 #4549D3
triadic
#4590D3 #D34590 #90D345
tetradic
#4590D3 #CF45D3 #D38845 #49D345
square
#4590D3 #CF45D3 #D38845 #49D345
split-complementary
#4590D3 #D34549 #D3CF45
monochromatic
#1E527F #2A71B1 #4590D3 #76AEDF #A8CBEA

Accessibility & contrast

On white

3.40
#4590D3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.18
#4590D3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4590D3
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4590D3#FFFFFF#000000##000000
##4590D31.003.406.186.18
#FFFFFF3.401.0021.0021.00
#0000006.1821.001.001.00
##0000006.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7293D6
Deuteranopia (green-blind)
#5F85D2
Tritanopia (blue-blind)
#00A0A8
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #4590d3;
/* rgb */ color: rgb(69, 144, 211);
/* oklch */ color: oklch(63.6% 0.126 248.1);
Tailwind
colors: {
  custom: {
    50: '#87b0e1',
    500: '#4590d3',
    950: '#000000',
  },
}
SCSS
$custom: #4590d3;
$custom-light: #87b0e1;
$custom-dark: #000000;
JSON
{
  "hex": "#4590d3",
  "rgb": {
    "r": 69,
    "g": 144,
    "b": 211
  },
  "hsl": {
    "h": 208.31,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63586,
    "c": 0.12563,
    "h": 248.1
  },
  "luminance": 0.25915
}

Semantic roles & 50–950 ramp

primary
#4590D3
secondary
#D8B89C
accent
#8F43E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0D1015
muted
#7D7F83

Preview Lab

Preview with #4590D3

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

Preview Lab → · Contrast checker → · Palette generator →

#4590D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva