#429FCB#429FCB

#429FCB is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.6% C 0.108 H 232.3°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#429FCB
RGBrgb(66, 159, 203)
HSLhsl(199, 57%, 53%)
HSVhsv(199, 67%, 80%)
CMYKcmyk(67.5%, 21.7%, 0%, 20.4%)
CIE-LABlab(61.88, -13.55, -30.59)
CIE-LCHlch(61.88, 33.45, 246.11°)
OKLaboklab(66.55% -0.0664 -0.0858)
OKLCHoklch(66.55% 0.108 232.3)
XYZxyz(25.4201, 30.2636, 60.9901)
Luminance0.3027 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#429FCB #CB6E42
analogous
#42CBB2 #429FCB #425BCB
triadic
#429FCB #CB429F #9FCB42
tetradic
#429FCB #B242CB #CB6E42 #5BCB42
square
#429FCB #B242CB #CB6E42 #5BCB42
split-complementary
#429FCB #CB425B #CBB242
monochromatic
#205873 #2D7DA3 #429FCB #72B7D8 #A2D0E5

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##429FCB#FFFFFF#000000##000000
##429FCB1.002.987.057.05
#FFFFFF2.981.0021.0021.00
#0000007.0521.001.001.00
##0000007.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#899DCD
Deuteranopia (green-blind)
#768FCA
Tritanopia (blue-blind)
#00ABAE
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #429fcb;
/* rgb */ color: rgb(66, 159, 203);
/* oklch */ color: oklch(66.6% 0.108 232.3);
Tailwind
colors: {
  custom: {
    50: '#86bbdb',
    500: '#429fcb',
    950: '#000000',
  },
}
SCSS
$custom: #429fcb;
$custom-light: #86bbdb;
$custom-dark: #000000;
JSON
{
  "hex": "#429fcb",
  "rgb": {
    "r": 66,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 199.27,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.66553,
    "c": 0.10849,
    "h": 232.3
  },
  "luminance": 0.30266
}

Semantic roles & 50–950 ramp

primary
#429FCB
secondary
#D2AA97
accent
#7948E0
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #429FCB

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

Preview Lab → · Contrast checker → · Palette generator →

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