#3371B1

#3371B1

Color Values

HEX

#3371B1

RGB

51, 113, 177

HSL

210.5, 55.3%, 44.7%

HSV

210.5, 71.2%, 69.4%

CMYK

71.2%, 36.2%, 0.0%, 30.6%

OKLCH

0.5391 0.1192 251.6

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3371B1

#B17333

Analogous

#33B0B1

#3433B1

#3371B1

Triadic

#3371B1

#B13371

#71B133

Split Complementary

#3371B1

#B13433

#B0B133

Tetradic

#3371B1

#B133B0

#B17333

#33B134

Color Blindness Simulation

Original

#3371B1

Protanopia

#4E4EA2

Deuteranopia

#4A469E

Tritanopia

#369593

Achromatopsia

#686868

CSS Usage

background-color: #3371B1;
color: #3371B1;
border-color: #3371B1;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C8DBEF
300
#A0C1E4
400
#6CA0D5
500
#397EC6
600
#2E659E
700
#24517F
800
#1C3F63
900
#183049
950
#0F1E2E

Contrast Checker

Text on white

5.08:1

AA Pass AAA Fail

Text on black

4.14:1

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