#429BDA#429BDA

#429BDA is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.4% C 0.126 H 242.9°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#429BDA
RGBrgb(66, 155, 218)
HSLhsl(205, 67%, 56%)
HSVhsv(205, 70%, 85%)
CMYKcmyk(69.7%, 28.9%, 0%, 14.5%)
CIE-LABlab(61.36, -6.32, -39.76)
CIE-LCHlch(61.36, 40.26, 260.97°)
OKLaboklab(66.35% -0.0575 -0.1123)
OKLCHoklch(66.35% 0.126 242.9)
XYZxyz(26.6181, 29.6600, 70.6382)
Luminance0.2966 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#429BDA #DA8142
analogous
#42DACD #429BDA #424FDA
triadic
#429BDA #DA429B #9BDA42
tetradic
#429BDA #CD42DA #DA8142 #4FDA42
square
#429BDA #CD42DA #DA8142 #4FDA42
split-complementary
#429BDA #DA424F #DACD42
monochromatic
#1A5A87 #247CBA #429BDA #75B6E4 #A8D1EE

Accessibility & contrast

On white

3.03
#429BDA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.93
#429BDA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429BDA
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##429BDA#FFFFFF#000000##000000
##429BDA1.003.036.936.93
#FFFFFF3.031.0021.0021.00
#0000006.9321.001.001.00
##0000006.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E9CDD
Deuteranopia (green-blind)
#698ED9
Tritanopia (blue-blind)
#00AAB1
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #429bda;
/* rgb */ color: rgb(66, 155, 218);
/* oklch */ color: oklch(66.4% 0.126 242.9);
Tailwind
colors: {
  custom: {
    50: '#88b8e5',
    500: '#429bda',
    950: '#000000',
  },
}
SCSS
$custom: #429bda;
$custom-light: #88b8e5;
$custom-dark: #000000;
JSON
{
  "hex": "#429bda",
  "rgb": {
    "r": 66,
    "g": 155,
    "b": 218
  },
  "hsl": {
    "h": 204.868,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66352,
    "c": 0.12617,
    "h": 242.9
  },
  "luminance": 0.29663
}

Semantic roles & 50–950 ramp

primary
#429BDA
secondary
#DBB69C
accent
#853EEA
background
#F9FBFE
surface
#F1F6FC
border
#CBD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #429BDA

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

Preview Lab → · Contrast checker → · Palette generator →

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