#258FF3

#258FF3

Color Values

HEX

#258FF3

RGB

37, 143, 243

HSL

209.1, 89.6%, 54.9%

HSV

209.1, 84.8%, 95.3%

CMYK

84.8%, 41.2%, 0.0%, 4.7%

OKLCH

0.6434 0.1753 251.9

Properties

Cool Light Nearest: dodgerblue 2

Color Harmonies

Complementary

#258FF3

#F38925

Analogous

#25F3F0

#2528F3

#258FF3

Triadic

#258FF3

#F3258F

#8FF325

Split Complementary

#258FF3

#F32528

#F3F025

Tetradic

#258FF3

#F025F3

#F38925

#28F325

Color Blindness Simulation

Original

#258FF3

Protanopia

#5354DB

Deuteranopia

#4D45D5

Tritanopia

#2AC8C4

Achromatopsia

#808080

CSS Usage

background-color: #258FF3;
color: #258FF3;
border-color: #258FF3;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F2F8FD
100
#E0EEFB
200
#BBDCFB
300
#8BC3F9
400
#4CA3F5
500
#0D83F2
600
#0B69C1
700
#08549B
800
#074179
900
#093258
950
#061F37

Contrast Checker

Text on white

3.33:1

AA Fail AAA Fail

Text on black

6.3:1

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