#CDDEFB#CDDEFB

#CDDEFB is a very light, muted blue. Relative luminance 0.722; OKLCH L 89.7% C 0.044 H 261.2°. Best body text is #000000 at 15.44:1 contrast (WCAG AA passes).

Color values

HEX#CDDEFB
RGBrgb(205, 222, 251)
HSLhsl(218, 85%, 89%)
HSVhsv(218, 18%, 98%)
CMYKcmyk(18.3%, 11.6%, 0%, 1.6%)
CIE-LABlab(88.06, 0.21, -16.00)
CIE-LCHlch(88.06, 16.00, 270.75°)
OKLaboklab(89.7% -0.0067 -0.0434)
OKLCHoklch(89.7% 0.044 261.2)
XYZxyz(68.7064, 72.1853, 101.5614)
Luminance0.7219 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CDDEFB #FBEACD
analogous
#CDF5FB #CDDEFB #D3CDFB
triadic
#CDDEFB #FBCDDE #DEFBCD
tetradic
#CDDEFB #FBCDF5 #FBEACD #CDFBD3
square
#CDDEFB #FBCDF5 #FBEACD #CDFBD3
split-complementary
#CDDEFB #FBD3CD #F5FBCD
monochromatic
#5C93F2 #94B9F6 #CDDEFB #E3ECFD #E3ECFD

Accessibility & contrast

On white

1.36
#CDDEFB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.44
#CDDEFB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CDDEFB
15.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CDDEFB#FFFFFF#000000##000000
##CDDEFB1.001.3615.4415.44
#FFFFFF1.361.0021.0021.00
#00000015.4421.001.001.00
##00000015.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5DFFC
Deuteranopia (green-blind)
#D0DBFA
Tritanopia (blue-blind)
#C2E4E7
Achromatopsia (no color)
#DDDDDD

Design tokens & code

CSS
--color: #cddefb;
/* rgb */ color: rgb(205, 222, 251);
/* oklch */ color: oklch(89.7% 0.044 261.2);
Tailwind
colors: {
  custom: {
    50: '#dce8fc',
    500: '#cddefb',
    950: '#000000',
  },
}
SCSS
$custom: #cddefb;
$custom-light: #dce8fc;
$custom-dark: #000000;
JSON
{
  "hex": "#cddefb",
  "rgb": {
    "r": 205,
    "g": 222,
    "b": 251
  },
  "hsl": {
    "h": 217.826,
    "s": 85.185,
    "l": 89.412
  },
  "oklch": {
    "l": 0.89701,
    "c": 0.04395,
    "h": 261.2
  },
  "luminance": 0.72187
}

Semantic roles & 50–950 ramp

primary
#CDDEFB
secondary
#E2C18B
accent
#9004E2
background
#FEFEFF
surface
#FCFCFF
border
#D5D5D7
text
#151617
muted
#848485

Preview Lab

Preview with #CDDEFB

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

Preview Lab → · Contrast checker → · Palette generator →

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