#4587DB#4587DB

#4587DB is a light, vivid cyan. Relative luminance 0.237; OKLCH L 62.0% C 0.144 H 255.6°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#4587DB
RGBrgb(69, 135, 219)
HSLhsl(214, 68%, 56%)
HSVhsv(214, 68%, 86%)
CMYKcmyk(68.5%, 38.4%, 0%, 14.1%)
CIE-LABlab(55.79, 6.14, -49.10)
CIE-LCHlch(55.79, 49.48, 277.13°)
OKLaboklab(62.03% -0.036 -0.1398)
OKLCHoklch(62.03% 0.144 255.6)
XYZxyz(23.8997, 23.7051, 70.3201)
Luminance0.2371 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4587DB #DB9945
analogous
#45D2DB #4587DB #4E45DB
triadic
#4587DB #DB4587 #87DB45
tetradic
#4587DB #DB45D2 #DB9945 #45DB4E
square
#4587DB #DB45D2 #DB9945 #45DB4E
split-complementary
#4587DB #DB4E45 #D2DB45
monochromatic
#1B4C8B #2568BE #4587DB #78A8E5 #ACC9EF

Accessibility & contrast

On white

3.66
#4587DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#4587DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4587DB
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4587DB#FFFFFF#000000##000000
##4587DB1.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#618DDE
Deuteranopia (green-blind)
#4A7FD9
Tritanopia (blue-blind)
#009AA6
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #4587db;
/* rgb */ color: rgb(69, 135, 219);
/* oklch */ color: oklch(62.0% 0.144 255.6);
Tailwind
colors: {
  custom: {
    50: '#89a9e6',
    500: '#4587db',
    950: '#000000',
  },
}
SCSS
$custom: #4587db;
$custom-light: #89a9e6;
$custom-dark: #000000;
JSON
{
  "hex": "#4587db",
  "rgb": {
    "r": 69,
    "g": 135,
    "b": 219
  },
  "hsl": {
    "h": 213.6,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62025,
    "c": 0.14436,
    "h": 255.6
  },
  "luminance": 0.23708
}

Semantic roles & 50–950 ramp

primary
#4587DB
secondary
#DDC29F
accent
#9E3DEA
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84

Preview Lab

Preview with #4587DB

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

Preview Lab → · Contrast checker → · Palette generator →

#4587DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva