#1D63B2

#1D63B2

Color Values

HEX

#1D63B2

RGB

29, 99, 178

HSL

211.8, 72.0%, 40.6%

HSV

211.8, 83.7%, 69.8%

CMYK

83.7%, 44.4%, 0.0%, 30.2%

OKLCH

0.5007 0.1426 254.7

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#1D63B2

#B26C1D

Analogous

#1DAEB2

#211DB2

#1D63B2

Triadic

#1D63B2

#B21D63

#63B21D

Split Complementary

#1D63B2

#B2211D

#AEB21D

Tetradic

#1D63B2

#B21DAE

#B26C1D

#1DB221

Color Blindness Simulation

Original

#1D63B2

Protanopia

#3B3C9F

Deuteranopia

#37329A

Tritanopia

#20908C

Achromatopsia

#5A5A5A

CSS Usage

background-color: #1D63B2;
color: #1D63B2;
border-color: #1D63B2;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FC
100
#E2ECF8
200
#C2DAF5
300
#96BFEE
400
#5D9DE5
500
#247ADB
600
#1D62AF
700
#174E8C
800
#123D6E
900
#112F50
950
#0B1D32

Contrast Checker

Text on white

6.03:1

AA Pass AAA Fail

Text on black

3.48:1

AA Fail AAA Fail

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