#10101E

#10101E

Color Values

HEX

#10101E

RGB

16, 16, 30

HSL

240.0, 30.4%, 9.0%

HSV

240.0, 46.7%, 11.8%

CMYK

46.7%, 46.7%, 0.0%, 88.2%

OKLCH

0.1808 0.0285 283.2

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#10101E

#1E1E10

Analogous

#10171E

#17101E

#10101E

Triadic

#10101E

#1E1010

#101E10

Split Complementary

#10101E

#1E1710

#171E10

Tetradic

#10101E

#1E1017

#1E1E10

#101E17

Color Blindness Simulation

Original

#10101E

Protanopia

#10101B

Deuteranopia

#10101A

Tritanopia

#101817

Achromatopsia

#111111

CSS Usage

background-color: #10101E;
color: #10101E;
border-color: #10101E;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F5F5F9
100
#E9E9F2
200
#D0D0E6
300
#AFAFD4
400
#8484BD
500
#5959A6
600
#474785
700
#39396A
800
#2C2C53
900
#23233E
950
#161627

Contrast Checker

Text on white

18.84:1

AA Pass AAA Pass

Text on black

1.11:1

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