#439DDC#439DDC

#439DDC is a light, vivid cyan. Relative luminance 0.305; OKLCH L 66.9% C 0.127 H 242.6°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#439DDC
RGBrgb(67, 157, 220)
HSLhsl(205, 69%, 56%)
HSVhsv(205, 70%, 86%)
CMYKcmyk(69.5%, 28.6%, 0%, 13.7%)
CIE-LABlab(62.06, -6.62, -39.77)
CIE-LCHlch(62.06, 40.32, 260.54°)
OKLaboklab(66.94% -0.0582 -0.1123)
OKLCHoklch(66.94% 0.127 242.6)
XYZxyz(27.2850, 30.4715, 72.1399)
Luminance0.3048 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#439DDC #DC8243
analogous
#43DCCF #439DDC #4351DC
triadic
#439DDC #DC439D #9DDC43
tetradic
#439DDC #CF43DC #DC8243 #51DC43
square
#439DDC #CF43DC #DC8243 #51DC43
split-complementary
#439DDC #DC4351 #DCCF43
monochromatic
#1A5C8B #237FBE #439DDC #77B8E6 #AAD3EF

Accessibility & contrast

On white

2.96
#439DDC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.10
#439DDC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #439DDC
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##439DDC#FFFFFF#000000##000000
##439DDC1.002.967.107.10
#FFFFFF2.961.0021.0021.00
#0000007.1021.001.001.00
##0000007.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#809EDF
Deuteranopia (green-blind)
#6B8FDB
Tritanopia (blue-blind)
#00ACB3
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #439ddc;
/* rgb */ color: rgb(67, 157, 220);
/* oklch */ color: oklch(66.9% 0.127 242.6);
Tailwind
colors: {
  custom: {
    50: '#88b9e7',
    500: '#439ddc',
    950: '#000000',
  },
}
SCSS
$custom: #439ddc;
$custom-light: #88b9e7;
$custom-dark: #000000;
JSON
{
  "hex": "#439ddc",
  "rgb": {
    "r": 67,
    "g": 157,
    "b": 220
  },
  "hsl": {
    "h": 204.706,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.66943,
    "c": 0.12652,
    "h": 242.6
  },
  "luminance": 0.30475
}

Semantic roles & 50–950 ramp

primary
#439DDC
secondary
#DDB89E
accent
#843CEB
background
#F9FBFE
surface
#F1F6FC
border
#CBD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #439DDC

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

Preview Lab → · Contrast checker → · Palette generator →

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