#439BDC#439BDC

#439BDC is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.5% C 0.128 H 243.9°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX#439BDC
RGBrgb(67, 155, 220)
HSLhsl(205, 69%, 56%)
HSVhsv(205, 70%, 86%)
CMYKcmyk(69.5%, 29.5%, 0%, 13.7%)
CIE-LABlab(61.48, -5.49, -40.68)
CIE-LCHlch(61.48, 41.05, 262.31°)
OKLaboklab(66.49% -0.0562 -0.115)
OKLCHoklch(66.49% 0.128 243.9)
XYZxyz(26.9494, 29.8003, 72.0280)
Luminance0.2980 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#439BDC #DC8443
analogous
#43DCD1 #439BDC #434FDC
triadic
#439BDC #DC439B #9BDC43
tetradic
#439BDC #D143DC #DC8443 #4FDC43
square
#439BDC #D143DC #DC8443 #4FDC43
split-complementary
#439BDC #DC434F #DCD143
monochromatic
#1A5B8B #237DBE #439BDC #77B6E6 #AAD2EF

Accessibility & contrast

On white

3.02
#439BDC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.96
#439BDC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BDC
6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##439BDC#FFFFFF#000000##000000
##439BDC1.003.026.966.96
#FFFFFF3.021.0021.0021.00
#0000006.9621.001.001.00
##0000006.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E9DDF
Deuteranopia (green-blind)
#688EDB
Tritanopia (blue-blind)
#00ABB2
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #439bdc;
/* rgb */ color: rgb(67, 155, 220);
/* oklch */ color: oklch(66.5% 0.128 243.9);
Tailwind
colors: {
  custom: {
    50: '#88b8e7',
    500: '#439bdc',
    950: '#000000',
  },
}
SCSS
$custom: #439bdc;
$custom-light: #88b8e7;
$custom-dark: #000000;
JSON
{
  "hex": "#439bdc",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 205.49,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.66487,
    "c": 0.12801,
    "h": 243.9
  },
  "luminance": 0.29803
}

Semantic roles & 50–950 ramp

primary
#439BDC
secondary
#DDB99E
accent
#873CEB
background
#F9FBFE
surface
#F1F6FC
border
#CBD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #439BDC

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

Preview Lab → · Contrast checker → · Palette generator →

#439BDC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva