#104E9B

#104E9B

Color Values

HEX

#104E9B

RGB

16, 78, 155

HSL

213.2, 81.3%, 33.5%

HSV

213.2, 89.7%, 60.8%

CMYK

89.7%, 49.7%, 0.0%, 39.2%

OKLCH

0.433 0.1395 256.9

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#104E9B

#9B5D10

Analogous

#10939B

#17109B

#104E9B

Triadic

#104E9B

#9B104E

#4E9B10

Split Complementary

#104E9B

#9B1710

#939B10

Tetradic

#104E9B

#9B1093

#9B5D10

#109B17

Color Blindness Simulation

Original

#104E9B

Protanopia

#2B2B88

Deuteranopia

#272384

Tritanopia

#137A76

Achromatopsia

#464646

CSS Usage

background-color: #104E9B;
color: #104E9B;
border-color: #104E9B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F7FD
100
#E1ECF9
200
#BED8F8
300
#90BCF4
400
#5498ED
500
#1874E7
600
#135DB9
700
#0F4B94
800
#0C3A74
900
#0D2D54
950
#081C35

Contrast Checker

Text on white

8.12:1

AA Pass AAA Pass

Text on black

2.59:1

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