#4387D1#4387D1

#4387D1 is a mid, vivid cyan. Relative luminance 0.231; OKLCH L 61.4% C 0.132 H 252.5°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#4387D1
RGBrgb(67, 135, 209)
HSLhsl(211, 61%, 54%)
HSVhsv(211, 68%, 82%)
CMYKcmyk(67.9%, 35.4%, 0%, 18%)
CIE-LABlab(55.20, 2.34, -44.42)
CIE-LCHlch(55.20, 44.48, 273.01°)
OKLaboklab(61.37% -0.0398 -0.1261)
OKLCHoklch(61.37% 0.132 252.5)
XYZxyz(22.4831, 23.1223, 63.5874)
Luminance0.2313 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4387D1 #D18D43
analogous
#43CED1 #4387D1 #4643D1
triadic
#4387D1 #D14387 #87D143
tetradic
#4387D1 #D143CE #D18D43 #43D146
square
#4387D1 #D143CE #D18D43 #43D146
split-complementary
#4387D1 #D14643 #CED143
monochromatic
#1E4B7B #2A69AD #4387D1 #74A6DD #A5C6E9

Accessibility & contrast

On white

3.73
#4387D1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.63
#4387D1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387D1
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4387D1#FFFFFF#000000##000000
##4387D11.003.735.635.63
#FFFFFF3.731.0021.0021.00
#0000005.6321.001.001.00
##0000005.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#668BD4
Deuteranopia (green-blind)
#527ED0
Tritanopia (blue-blind)
#0098A2
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4387d1;
/* rgb */ color: rgb(67, 135, 209);
/* oklch */ color: oklch(61.4% 0.132 252.5);
Tailwind
colors: {
  custom: {
    50: '#86a9df',
    500: '#4387d1',
    950: '#000000',
  },
}
SCSS
$custom: #4387d1;
$custom-light: #86a9df;
$custom-dark: #000000;
JSON
{
  "hex": "#4387d1",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 209
  },
  "hsl": {
    "h": 211.268,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.61372,
    "c": 0.13228,
    "h": 252.5
  },
  "luminance": 0.23125
}

Semantic roles & 50–950 ramp

primary
#4387D1
secondary
#D6B99A
accent
#9744E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4387D1

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

Preview Lab → · Contrast checker → · Palette generator →

#4387D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva