#C9DEFF

#C9DEFF

Color Values

HEX

#C9DEFF

RGB

201, 222, 255

HSL

216.7, 100.0%, 89.4%

HSV

216.7, 21.2%, 100.0%

CMYK

21.2%, 12.9%, 0.0%, 0.0%

OKLCH

0.8956 0.0508 259.4

Properties

Cool Light Nearest: lightsteelblue 1

Color Harmonies

Complementary

#C9DEFF

#FFEAC9

Analogous

#C9F9FF

#CFC9FF

#C9DEFF

Triadic

#C9DEFF

#FFC9DE

#DEFFC9

Split Complementary

#C9DEFF

#FFCFC9

#F9FFC9

Tetradic

#C9DEFF

#FFC9F9

#FFEAC9

#C9FFCF

Color Blindness Simulation

Original

#C9DEFF

Protanopia

#D2D2F7

Deuteranopia

#D1CFF5

Tritanopia

#CAF1EF

Achromatopsia

#DCDCDC

CSS Usage

background-color: #C9DEFF;
color: #C9DEFF;
border-color: #C9DEFF;
Nearest Tailwind: Blue 200 #BFDBFE

Tailwind Shades

50
#F1F6FE
100
#DEEAFC
200
#B8D3FF
300
#85B4FF
400
#428CFF
500
#0063FF
600
#004FCC
700
#003FA3
800
#003280
900
#05275C
950
#03183A

Contrast Checker

Text on white

1.37:1

AA Fail AAA Fail

Text on black

15.38:1

AA Pass AAA Pass

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026