#429BB0#429BB0

#429BB0 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.4% C 0.089 H 215.9°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#429BB0
RGBrgb(66, 155, 176)
HSLhsl(191, 45%, 47%)
HSVhsv(191, 63%, 69%)
CMYKcmyk(62.5%, 11.9%, 0%, 31%)
CIE-LABlab(59.65, -20.00, -18.85)
CIE-LCHlch(59.65, 27.48, 223.30°)
OKLaboklab(64.42% -0.0724 -0.0524)
OKLCHoklch(64.42% 0.089 215.9)
XYZxyz(21.8014, 27.7333, 45.2700)
Luminance0.2774 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#429BB0 #B05742
analogous
#42B08E #429BB0 #4264B0
triadic
#429BB0 #B0429B #9BB042
tetradic
#429BB0 #8E42B0 #B05742 #64B042
square
#429BB0 #8E42B0 #B05742 #64B042
split-complementary
#429BB0 #B04264 #B08E42
monochromatic
#214D57 #317483 #429BB0 #69B5C7 #95CBD7

Accessibility & contrast

On white

3.21
#429BB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.55
#429BB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429BB0
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##429BB0#FFFFFF#000000##000000
##429BB01.003.216.556.55
#FFFFFF3.211.0021.0021.00
#0000006.5521.001.001.00
##0000006.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D96B1
Deuteranopia (green-blind)
#7C8BB0
Tritanopia (blue-blind)
#00A3A1
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #429bb0;
/* rgb */ color: rgb(66, 155, 176);
/* oklch */ color: oklch(64.4% 0.089 215.9);
Tailwind
colors: {
  custom: {
    50: '#82b8c7',
    500: '#429bb0',
    950: '#000000',
  },
}
SCSS
$custom: #429bb0;
$custom-light: #82b8c7;
$custom-dark: #000000;
JSON
{
  "hex": "#429bb0",
  "rgb": {
    "r": 66,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 191.455,
    "s": 45.455,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64423,
    "c": 0.08937,
    "h": 215.9
  },
  "luminance": 0.27736
}

Semantic roles & 50–950 ramp

primary
#429BB0
secondary
#C3968B
accent
#6C53D5
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #429BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#429BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva