#277DD4

#277DD4

Color Values

HEX

#277DD4

RGB

39, 125, 212

HSL

210.2, 68.9%, 49.2%

HSV

210.2, 81.6%, 83.1%

CMYK

81.6%, 41.0%, 0.0%, 16.9%

OKLCH

0.5843 0.1553 252.6

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#277DD4

#D47E27

Analogous

#27D3D4

#2827D4

#277DD4

Triadic

#277DD4

#D4277D

#7DD427

Split Complementary

#277DD4

#D42827

#D3D427

Tetradic

#277DD4

#D427D3

#D47E27

#27D428

Color Blindness Simulation

Original

#277DD4

Protanopia

#4C4DBF

Deuteranopia

#4741BA

Tritanopia

#2BAEAB

Achromatopsia

#717171

CSS Usage

background-color: #277DD4;
color: #277DD4;
border-color: #277DD4;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF8
200
#C3DBF4
300
#98C2EC
400
#60A0E2
500
#287FD7
600
#2066AC
700
#19518A
800
#143F6C
900
#12304E
950
#0C1E32

Contrast Checker

Text on white

4.23:1

AA Fail AAA Fail

Text on black

4.97:1

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