#1288F7

#1288F7

Color Values

HEX

#1288F7

RGB

18, 136, 247

HSL

209.1, 93.5%, 52.0%

HSV

209.1, 92.7%, 96.9%

CMYK

92.7%, 44.9%, 0.0%, 3.1%

OKLCH

0.628 0.1906 253.5

Properties

Cool Light Nearest: dodgerblue

Color Harmonies

Complementary

#1288F7

#F78112

Analogous

#12F7F4

#1216F7

#1288F7

Triadic

#1288F7

#F71288

#88F712

Split Complementary

#1288F7

#F71216

#F7F412

Tetradic

#1288F7

#F412F7

#F78112

#16F712

Color Blindness Simulation

Original

#1288F7

Protanopia

#4546DC

Deuteranopia

#3E35D6

Tritanopia

#18C7C2

Achromatopsia

#777777

CSS Usage

background-color: #1288F7;
color: #1288F7;
border-color: #1288F7;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F1F8FD
100
#DFEEFB
200
#BADCFD
300
#89C4FB
400
#48A3F9
500
#0883F7
600
#0769C5
700
#05549E
800
#04427B
900
#083259
950
#051F38

Contrast Checker

Text on white

3.57:1

AA Fail AAA Fail

Text on black

5.89:1

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