#4389DD#4389DD

#4389DD is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.5% C 0.146 H 254.5°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#4389DD
RGBrgb(67, 137, 221)
HSLhsl(213, 69%, 56%)
HSVhsv(213, 70%, 87%)
CMYKcmyk(69.7%, 38%, 0%, 13.3%)
CIE-LABlab(56.39, 5.35, -49.27)
CIE-LCHlch(56.39, 49.56, 276.19°)
OKLaboklab(62.51% -0.0388 -0.1403)
OKLCHoklch(62.51% 0.146 254.5)
XYZxyz(24.3067, 24.3025, 71.8024)
Luminance0.2430 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4389DD #DD9743
analogous
#43D6DD #4389DD #4A43DD
triadic
#4389DD #DD4389 #89DD43
tetradic
#4389DD #DD43D6 #DD9743 #43DD4A
square
#4389DD #DD43D6 #DD9743 #43DD4A
split-complementary
#4389DD #DD4A43 #D6DD43
monochromatic
#194E8C #236AC0 #4389DD #77AAE6 #ABCAF0

Accessibility & contrast

On white

3.58
#4389DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.86
#4389DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4389DD
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4389DD#FFFFFF#000000##000000
##4389DD1.003.585.865.86
#FFFFFF3.581.0021.0021.00
#0000005.8621.001.001.00
##0000005.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#638FE0
Deuteranopia (green-blind)
#4B81DB
Tritanopia (blue-blind)
#009DA8
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #4389dd;
/* rgb */ color: rgb(67, 137, 221);
/* oklch */ color: oklch(62.5% 0.146 254.5);
Tailwind
colors: {
  custom: {
    50: '#88abe8',
    500: '#4389dd',
    950: '#000000',
  },
}
SCSS
$custom: #4389dd;
$custom-light: #88abe8;
$custom-dark: #000000;
JSON
{
  "hex": "#4389dd",
  "rgb": {
    "r": 67,
    "g": 137,
    "b": 221
  },
  "hsl": {
    "h": 212.727,
    "s": 69.369,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62506,
    "c": 0.14559,
    "h": 254.5
  },
  "luminance": 0.24305
}

Semantic roles & 50–950 ramp

primary
#4389DD
secondary
#DEC19E
accent
#9C3CEC
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4389DD

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

Preview Lab → · Contrast checker → · Palette generator →

#4389DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva