#429BF0#429BF0

#429BF0 is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.5% C 0.152 H 250.3°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#429BF0
RGBrgb(66, 155, 240)
HSLhsl(209, 85%, 60%)
HSVhsv(209, 73%, 94%)
CMYKcmyk(72.5%, 35.4%, 0%, 5.9%)
CIE-LABlab(62.41, 1.27, -50.26)
CIE-LCHlch(62.41, 50.28, 271.44°)
OKLaboklab(67.53% -0.0513 -0.143)
OKLCHoklch(67.53% 0.152 250.3)
XYZxyz(29.6904, 30.8889, 86.8186)
Luminance0.3089 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#429BF0 #F09742
analogous
#42F0EE #429BF0 #4244F0
triadic
#429BF0 #F0429B #9BF042
tetradic
#429BF0 #EE42F0 #F09742 #44F042
square
#429BF0 #EE42F0 #F09742 #44F042
split-complementary
#429BF0 #F04244 #F0EE42
monochromatic
#0E5EAA #127DE3 #429BF0 #7BB9F4 #B3D7F9

Accessibility & contrast

On white

2.93
#429BF0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.18
#429BF0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #429BF0
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##429BF0#FFFFFF#000000##000000
##429BF01.002.937.187.18
#FFFFFF2.931.0021.0021.00
#0000007.1821.001.001.00
##0000007.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#74A0F4
Deuteranopia (green-blind)
#5B90EE
Tritanopia (blue-blind)
#00AFBA
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #429bf0;
/* rgb */ color: rgb(66, 155, 240);
/* oklch */ color: oklch(67.5% 0.152 250.3);
Tailwind
colors: {
  custom: {
    50: '#8bb8f5',
    500: '#429bf0',
    950: '#000000',
  },
}
SCSS
$custom: #429bf0;
$custom-light: #8bb8f5;
$custom-dark: #000000;
JSON
{
  "hex": "#429bf0",
  "rgb": {
    "r": 66,
    "g": 155,
    "b": 240
  },
  "hsl": {
    "h": 209.31,
    "s": 85.294,
    "l": 60
  },
  "oklch": {
    "l": 0.67527,
    "c": 0.15189,
    "h": 250.3
  },
  "luminance": 0.30892
}

Semantic roles & 50–950 ramp

primary
#429BF0
secondary
#E8C6A5
accent
#922CFC
background
#F9FBFF
surface
#F2F6FE
border
#CCD0D6
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #429BF0

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

Preview Lab → · Contrast checker → · Palette generator →

#429BF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva