#1D151F

#1D151F

Color Values

HEX

#1D151F

RGB

29, 21, 31

HSL

288.0, 19.2%, 10.2%

HSV

288.0, 32.3%, 12.2%

CMYK

6.5%, 32.3%, 0.0%, 87.8%

OKLCH

0.2103 0.0228 319.5

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#1D151F

#171F15

Analogous

#18151F

#1F151C

#1D151F

Triadic

#1D151F

#1F1D15

#151F1D

Split Complementary

#1D151F

#1C1F15

#151F18

Tetradic

#1D151F

#1F1815

#171F15

#151C1F

Color Blindness Simulation

Original

#1D151F

Protanopia

#1A191D

Deuteranopia

#1A1B1C

Tritanopia

#1D1B1A

Achromatopsia

#171717

CSS Usage

background-color: #1D151F;
color: #1D151F;
border-color: #1D151F;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F8F6F9
100
#EFEAF0
200
#DFD4E2
300
#C9B6CE
400
#AC8FB3
500
#8E6798
600
#72527A
700
#5B4261
800
#47344C
900
#352839
950
#221924

Contrast Checker

Text on white

17.81:1

AA Pass AAA Pass

Text on black

1.18:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026