#4387DC#4387DC

#4387DC is a light, vivid cyan. Relative luminance 0.237; OKLCH L 62.0% C 0.146 H 255.3°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#4387DC
RGBrgb(67, 135, 220)
HSLhsl(213, 69%, 56%)
HSVhsv(213, 70%, 86%)
CMYKcmyk(69.5%, 38.6%, 0%, 13.7%)
CIE-LABlab(55.77, 6.19, -49.69)
CIE-LCHlch(55.77, 50.08, 277.10°)
OKLaboklab(62.01% -0.0372 -0.1416)
OKLCHoklch(62.01% 0.146 255.3)
XYZxyz(23.8922, 23.6860, 71.0090)
Luminance0.2369 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4387DC #DC9843
analogous
#43D4DC #4387DC #4C43DC
triadic
#4387DC #DC4387 #87DC43
tetradic
#4387DC #DC43D4 #DC9843 #43DC4C
square
#4387DC #DC43D4 #DC9843 #43DC4C
split-complementary
#4387DC #DC4C43 #D4DC43
monochromatic
#1A4C8B #2368BE #4387DC #77A8E6 #AAC9EF

Accessibility & contrast

On white

3.66
#4387DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#4387DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387DC
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4387DC#FFFFFF#000000##000000
##4387DC1.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#608DDF
Deuteranopia (green-blind)
#497FDA
Tritanopia (blue-blind)
#009BA7
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #4387dc;
/* rgb */ color: rgb(67, 135, 220);
/* oklch */ color: oklch(62.0% 0.146 255.3);
Tailwind
colors: {
  custom: {
    50: '#88a9e7',
    500: '#4387dc',
    950: '#000000',
  },
}
SCSS
$custom: #4387dc;
$custom-light: #88a9e7;
$custom-dark: #000000;
JSON
{
  "hex": "#4387dc",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 220
  },
  "hsl": {
    "h": 213.333,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62007,
    "c": 0.14638,
    "h": 255.3
  },
  "luminance": 0.23689
}

Semantic roles & 50–950 ramp

primary
#4387DC
secondary
#DDC19E
accent
#9E3CEB
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84

Preview Lab

Preview with #4387DC

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

Preview Lab → · Contrast checker → · Palette generator →

#4387DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva