#375A7B

#375A7B

Color Values

HEX

#375A7B

RGB

55, 90, 123

HSL

209.1, 38.2%, 34.9%

HSV

209.1, 55.3%, 48.2%

CMYK

55.3%, 26.8%, 0.0%, 51.8%

OKLCH

0.4559 0.0678 248.1

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#375A7B

#7B5837

Analogous

#377B7A

#37387B

#375A7B

Triadic

#375A7B

#7B375A

#5A7B37

Split Complementary

#375A7B

#7B3738

#7B7A37

Tetradic

#375A7B

#7A377B

#7B5837

#387B37

Color Blindness Simulation

Original

#375A7B

Protanopia

#464673

Deuteranopia

#444271

Tritanopia

#396D6B

Achromatopsia

#555555

CSS Usage

background-color: #375A7B;
color: #375A7B;
border-color: #375A7B;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CEDCE9
300
#AAC3D9
400
#7DA2C5
500
#4F81B0
600
#3F678D
700
#325371
800
#274058
900
#203141
950
#141F29

Contrast Checker

Text on white

7.21:1

AA Pass AAA Pass

Text on black

2.91:1

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