#10509D

#10509D

Color Values

HEX

#10509D

RGB

16, 80, 157

HSL

212.8, 81.5%, 33.9%

HSV

212.8, 89.8%, 61.6%

CMYK

89.8%, 49.0%, 0.0%, 38.4%

OKLCH

0.4392 0.1397 256.4

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#10509D

#9D5D10

Analogous

#10969D

#17109D

#10509D

Triadic

#10509D

#9D1050

#509D10

Split Complementary

#10509D

#9D1710

#969D10

Tetradic

#10509D

#9D1096

#9D5D10

#109D17

Color Blindness Simulation

Original

#10509D

Protanopia

#2C2C8A

Deuteranopia

#282386

Tritanopia

#137C78

Achromatopsia

#484848

CSS Usage

background-color: #10509D;
color: #10509D;
border-color: #10509D;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F7FD
100
#E1ECFA
200
#BED9F8
300
#90BDF4
400
#5499EE
500
#1876E7
600
#135EB9
700
#0F4B94
800
#0C3B74
900
#0D2D54
950
#081D35

Contrast Checker

Text on white

7.91:1

AA Pass AAA Pass

Text on black

2.66:1

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