#277CCD

#277CCD

Color Values

HEX

#277CCD

RGB

39, 124, 205

HSL

209.3, 68.0%, 47.8%

HSV

209.3, 81.0%, 80.4%

CMYK

81.0%, 39.5%, 0.0%, 19.6%

OKLCH

0.5777 0.1475 251.3

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#277CCD

#CD7827

Analogous

#27CDCB

#2729CD

#277CCD

Triadic

#277CCD

#CD277C

#7CCD27

Split Complementary

#277CCD

#CD2729

#CDCB27

Tetradic

#277CCD

#CB27CD

#CD7827

#29CD27

Color Blindness Simulation

Original

#277CCD

Protanopia

#4C4DB9

Deuteranopia

#4740B5

Tritanopia

#2BAAA7

Achromatopsia

#707070

CSS Usage

background-color: #277CCD;
color: #277CCD;
border-color: #277CCD;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C3DCF4
300
#98C3EB
400
#60A2E1
500
#2982D6
600
#2168AB
700
#1A5389
800
#14416B
900
#13314E
950
#0C1F31

Contrast Checker

Text on white

4.33:1

AA Fail AAA Fail

Text on black

4.85:1

AA Pass AAA Fail

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