#C9DEFF#C9DEFF

#C9DEFF is a very light, muted blue. Relative luminance 0.719; OKLCH L 89.6% C 0.051 H 259.4°. Best body text is #000000 at 15.38:1 contrast (WCAG AA passes).

Color values

HEX#C9DEFF
RGBrgb(201, 222, 255)
HSLhsl(217, 100%, 89%)
HSVhsv(217, 21%, 100%)
CMYKcmyk(21.2%, 12.9%, 0%, 0%)
CIE-LABlab(87.91, -0.14, -18.35)
CIE-LCHlch(87.91, 18.36, 269.56°)
OKLaboklab(89.56% -0.0093 -0.05)
OKLCHoklch(89.56% 0.051 259.4)
XYZxyz(68.2540, 71.8783, 104.8662)
Luminance0.7188 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C9DEFF #FFEAC9
analogous
#C9F9FF #C9DEFF #CFC9FF
triadic
#C9DEFF #FFC9DE #DEFFC9
tetradic
#C9DEFF #FFC9F9 #FFEAC9 #C9FFCF
square
#C9DEFF #FFC9F9 #FFEAC9 #C9FFCF
split-complementary
#C9DEFF #FFCFC9 #F9FFC9
monochromatic
#4F93FF #8CB9FF #C9DEFF #E0ECFF #E0ECFF

Accessibility & contrast

On white

1.37
#C9DEFF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.38
#C9DEFF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9DEFF
15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C9DEFF#FFFFFF#000000##000000
##C9DEFF1.001.3715.3815.38
#FFFFFF1.371.0021.0021.00
#00000015.3821.001.001.00
##00000015.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D3DFFF
Deuteranopia (green-blind)
#CEDAFE
Tritanopia (blue-blind)
#BBE5E9
Achromatopsia (no color)
#DCDCDC

Design tokens & code

CSS
--color: #c9deff;
/* rgb */ color: rgb(201, 222, 255);
/* oklch */ color: oklch(89.6% 0.051 259.4);
Tailwind
colors: {
  custom: {
    50: '#dae8ff',
    500: '#c9deff',
    950: '#000000',
  },
}
SCSS
$custom: #c9deff;
$custom-light: #dae8ff;
$custom-dark: #000000;
JSON
{
  "hex": "#c9deff",
  "rgb": {
    "r": 201,
    "g": 222,
    "b": 255
  },
  "hsl": {
    "h": 216.667,
    "s": 100,
    "l": 89.412
  },
  "oklch": {
    "l": 0.89557,
    "c": 0.05084,
    "h": 259.4
  },
  "luminance": 0.7188
}

Semantic roles & 50–950 ramp

primary
#C9DEFF
secondary
#E9C183
accent
#8C00E6
background
#FEFEFF
surface
#FBFCFF
border
#D4D5D7
text
#151618
muted
#848486

Preview Lab

Preview with #C9DEFF

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

Preview Lab → · Contrast checker → · Palette generator →

#C9DEFF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva