#1283F7

#1283F7

Color Values

HEX

#1283F7

RGB

18, 131, 247

HSL

210.4, 93.5%, 52.0%

HSV

210.4, 92.7%, 96.9%

CMYK

92.7%, 47.0%, 0.0%, 3.1%

OKLCH

0.6172 0.1961 255.0

Properties

Cool Light Nearest: dodgerblue

Color Harmonies

Complementary

#1283F7

#F78612

Analogous

#12F6F7

#1412F7

#1283F7

Triadic

#1283F7

#F71283

#83F712

Split Complementary

#1283F7

#F71412

#F6F712

Tetradic

#1283F7

#F712F6

#F78612

#12F714

Color Blindness Simulation

Original

#1283F7

Protanopia

#4344DB

Deuteranopia

#3C34D4

Tritanopia

#18C5C0

Achromatopsia

#737373

CSS Usage

background-color: #1283F7;
color: #1283F7;
border-color: #1283F7;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F1F7FD
100
#DFEDFB
200
#BADBFD
300
#89C1FB
400
#489FF9
500
#087EF7
600
#0765C5
700
#05519E
800
#043F7B
900
#083059
950
#051E38

Contrast Checker

Text on white

3.74:1

AA Fail AAA Fail

Text on black

5.62:1

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