#51ADF9

#51ADF9

Color Values

HEX

#51ADF9

RGB

81, 173, 249

HSL

207.1, 93.3%, 64.7%

HSV

207.1, 67.5%, 97.6%

CMYK

67.5%, 30.5%, 0.0%, 2.4%

OKLCH

0.7248 0.1413 246.4

Properties

Cool Light Nearest: steelblue 1

Color Harmonies

Complementary

#51ADF9

#F99D51

Analogous

#51F9F1

#5159F9

#51ADF9

Triadic

#51ADF9

#F951AD

#ADF951

Split Complementary

#51ADF9

#F95159

#F9F151

Tetradic

#51ADF9

#F151F9

#F99D51

#59F951

Color Blindness Simulation

Original

#51ADF9

Protanopia

#797AE7

Deuteranopia

#746DE2

Tritanopia

#56D8D5

Achromatopsia

#9F9F9F

CSS Usage

background-color: #51ADF9;
color: #51ADF9;
border-color: #51ADF9;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F1F8FD
100
#DFEFFB
200
#BADFFD
300
#89C7FB
400
#49A9F9
500
#098BF6
600
#076FC5
700
#05599E
800
#04457B
900
#083459
950
#052138

Contrast Checker

Text on white

2.42:1

AA Fail AAA Fail

Text on black

8.7:1

AA Pass AAA Pass

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