#277DD2

#277DD2

Color Values

HEX

#277DD2

RGB

39, 125, 210

HSL

209.8, 68.7%, 48.8%

HSV

209.8, 81.4%, 82.4%

CMYK

81.4%, 40.5%, 0.0%, 17.6%

OKLCH

0.5831 0.1528 252.1

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#277DD2

#D27C27

Analogous

#27D2D1

#2728D2

#277DD2

Triadic

#277DD2

#D2277D

#7DD227

Split Complementary

#277DD2

#D22728

#D2D127

Tetradic

#277DD2

#D127D2

#D27C27

#28D227

Color Blindness Simulation

Original

#277DD2

Protanopia

#4C4DBD

Deuteranopia

#4741B8

Tritanopia

#2BADAA

Achromatopsia

#717171

CSS Usage

background-color: #277DD2;
color: #277DD2;
border-color: #277DD2;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF8
200
#C3DBF4
300
#98C2EC
400
#60A1E1
500
#2880D7
600
#2066AC
700
#1A528A
800
#14406C
900
#12314E
950
#0C1F32

Contrast Checker

Text on white

4.24:1

AA Fail AAA Fail

Text on black

4.95:1

AA Pass 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