#100A15

#100A15

Color Values

HEX

#100A15

RGB

16, 10, 21

HSL

272.7, 35.5%, 6.1%

HSV

272.7, 52.4%, 8.2%

CMYK

23.8%, 52.4%, 0.0%, 91.8%

OKLCH

0.1587 0.0245 308.8

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#100A15

#0F150A

Analogous

#0B0A15

#150A15

#100A15

Triadic

#100A15

#15100A

#0A1510

Split Complementary

#100A15

#15150A

#0A150B

Tetradic

#100A15

#150B0A

#0F150A

#0A1515

Color Blindness Simulation

Original

#100A15

Protanopia

#0D0D12

Deuteranopia

#0E0E12

Tritanopia

#101010

Achromatopsia

#0C0C0C

CSS Usage

background-color: #100A15;
color: #100A15;
border-color: #100A15;
Nearest Tailwind: Gray 950 #030712

Tailwind Shades

50
#F8F5FA
100
#EEE8F3
200
#DCCFE8
300
#C4ACD8
400
#A47FC2
500
#8452AD
600
#69428A
700
#54356F
800
#422956
900
#322140
950
#1F1528

Contrast Checker

Text on white

19.51:1

AA Pass AAA Pass

Text on black

1.08:1

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