#2370BF

#2370BF

Color Values

HEX

#2370BF

RGB

35, 112, 191

HSL

210.4, 69.0%, 44.3%

HSV

210.4, 81.7%, 74.9%

CMYK

81.7%, 41.4%, 0.0%, 25.1%

OKLCH

0.5405 0.1435 252.8

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#2370BF

#BF7223

Analogous

#23BEBF

#2423BF

#2370BF

Triadic

#2370BF

#BF2370

#70BF23

Split Complementary

#2370BF

#BF2423

#BEBF23

Tetradic

#2370BF

#BF23BE

#BF7223

#23BF24

Color Blindness Simulation

Original

#2370BF

Protanopia

#4445AC

Deuteranopia

#403AA7

Tritanopia

#279D99

Achromatopsia

#656565

CSS Usage

background-color: #2370BF;
color: #2370BF;
border-color: #2370BF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF8
200
#C3DBF4
300
#98C1EC
400
#60A0E2
500
#287ED7
600
#2065AC
700
#19518A
800
#143F6C
900
#12304F
950
#0C1E32

Contrast Checker

Text on white

5.07:1

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