#429CD8#429CD8

#429CD8 is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.5% C 0.123 H 241.4°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX#429CD8
RGBrgb(66, 156, 216)
HSLhsl(204, 66%, 55%)
HSVhsv(204, 69%, 85%)
CMYKcmyk(69.4%, 27.8%, 0%, 15.3%)
CIE-LABlab(61.56, -7.56, -38.33)
CIE-LCHlch(61.56, 39.07, 258.84°)
OKLaboklab(66.48% -0.059 -0.1082)
OKLCHoklch(66.48% 0.123 241.4)
XYZxyz(26.5251, 29.8901, 69.3239)
Luminance0.2989 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#429CD8 #D87E42
analogous
#42D8C9 #429CD8 #4251D8
triadic
#429CD8 #D8429C #9CD842
tetradic
#429CD8 #C942D8 #D87E42 #51D842
square
#429CD8 #C942D8 #D87E42 #51D842
split-complementary
#429CD8 #D84251 #D8C942
monochromatic
#1B5A84 #267DB7 #429CD8 #75B7E2 #A7D1ED

Accessibility & contrast

On white

3.01
#429CD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.98
#429CD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429CD8
6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##429CD8#FFFFFF#000000##000000
##429CD81.003.016.986.98
#FFFFFF3.011.0021.0021.00
#0000006.9821.001.001.00
##0000006.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#809DDB
Deuteranopia (green-blind)
#6C8ED7
Tritanopia (blue-blind)
#00ABB1
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #429cd8;
/* rgb */ color: rgb(66, 156, 216);
/* oklch */ color: oklch(66.5% 0.123 241.4);
Tailwind
colors: {
  custom: {
    50: '#87b9e4',
    500: '#429cd8',
    950: '#000000',
  },
}
SCSS
$custom: #429cd8;
$custom-light: #87b9e4;
$custom-dark: #000000;
JSON
{
  "hex": "#429cd8",
  "rgb": {
    "r": 66,
    "g": 156,
    "b": 216
  },
  "hsl": {
    "h": 204,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6648,
    "c": 0.12326,
    "h": 241.4
  },
  "luminance": 0.29893
}

Semantic roles & 50–950 ramp

primary
#429CD8
secondary
#DAB59C
accent
#833FE9
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #429CD8

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

Preview Lab → · Contrast checker → · Palette generator →

#429CD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva