#C9DEEE

#C9DEEE

Color Values

HEX

#C9DEEE

RGB

201, 222, 238

HSL

205.9, 52.1%, 86.1%

HSV

205.9, 15.5%, 93.3%

CMYK

15.5%, 6.7%, 0.0%, 6.7%

OKLCH

0.8899 0.0315 240.7

Properties

Cool Light Nearest: Periwinkle

Color Harmonies

Complementary

#C9DEEE

#EED9C9

Analogous

#C9EEEB

#C9CCEE

#C9DEEE

Triadic

#C9DEEE

#EEC9DE

#DEEEC9

Split Complementary

#C9DEEE

#EEC9CC

#EEEBC9

Tetradic

#C9DEEE

#EBC9EE

#EED9C9

#CCEEC9

Color Blindness Simulation

Original

#C9DEEE

Protanopia

#D2D2EA

Deuteranopia

#D1CFE9

Tritanopia

#CAE7E6

Achromatopsia

#DBDBDB

CSS Usage

background-color: #C9DEEE;
color: #C9DEEE;
border-color: #C9DEEE;
Nearest Tailwind: Slate 300 #CBD5E1

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C9DEEE
300
#A2C6E2
400
#6FA7D2
500
#3D89C2
600
#316D9B
700
#27577C
800
#1F4461
900
#1A3447
950
#10212D

Contrast Checker

Text on white

1.38:1

AA Fail AAA Fail

Text on black

15.17:1

AA Pass AAA Pass

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026