#429DD8#429DD8

#429DD8 is a light, vivid cyan. Relative luminance 0.302; OKLCH L 66.7% C 0.123 H 240.7°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#429DD8
RGBrgb(66, 157, 216)
HSLhsl(204, 66%, 55%)
HSVhsv(204, 69%, 85%)
CMYKcmyk(69.4%, 27.3%, 0%, 15.3%)
CIE-LABlab(61.85, -8.12, -37.88)
CIE-LCHlch(61.85, 38.74, 257.90°)
OKLaboklab(66.71% -0.06 -0.1069)
OKLCHoklch(66.71% 0.123 240.7)
XYZxyz(26.6936, 30.2271, 69.3800)
Luminance0.3023 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#429DD8 #D87D42
analogous
#42D8C8 #429DD8 #4252D8
triadic
#429DD8 #D8429D #9DD842
tetradic
#429DD8 #C842D8 #D87D42 #52D842
square
#429DD8 #C842D8 #D87D42 #52D842
split-complementary
#429DD8 #D84252 #D8C842
monochromatic
#1B5B84 #267EB7 #429DD8 #75B7E2 #A7D2ED

Accessibility & contrast

On white

2.98
#429DD8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.05
#429DD8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #429DD8
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##429DD8#FFFFFF#000000##000000
##429DD81.002.987.057.05
#FFFFFF2.981.0021.0021.00
#0000007.0521.001.001.00
##0000007.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#829DDB
Deuteranopia (green-blind)
#6D8FD7
Tritanopia (blue-blind)
#00ACB1
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #429dd8;
/* rgb */ color: rgb(66, 157, 216);
/* oklch */ color: oklch(66.7% 0.123 240.7);
Tailwind
colors: {
  custom: {
    50: '#87b9e4',
    500: '#429dd8',
    950: '#000000',
  },
}
SCSS
$custom: #429dd8;
$custom-light: #87b9e4;
$custom-dark: #000000;
JSON
{
  "hex": "#429dd8",
  "rgb": {
    "r": 66,
    "g": 157,
    "b": 216
  },
  "hsl": {
    "h": 203.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6671,
    "c": 0.12257,
    "h": 240.7
  },
  "luminance": 0.3023
}

Semantic roles & 50–950 ramp

primary
#429DD8
secondary
#DAB49C
accent
#823FE9
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #429DD8

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

Preview Lab → · Contrast checker → · Palette generator →

#429DD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva