#1D152C

#1D152C

Color Values

HEX

#1D152C

RGB

29, 21, 44

HSL

260.9, 35.4%, 12.7%

HSV

260.9, 52.3%, 17.3%

CMYK

34.1%, 52.3%, 0.0%, 82.7%

OKLCH

0.2181 0.045 298.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1D152C

#242C15

Analogous

#15182C

#28152C

#1D152C

Triadic

#1D152C

#2C1D15

#152C1D

Split Complementary

#1D152C

#2C2815

#182C15

Tetradic

#1D152C

#2C1518

#242C15

#152C28

Color Blindness Simulation

Original

#1D152C

Protanopia

#1A1926

Deuteranopia

#1A1B25

Tritanopia

#1D2221

Achromatopsia

#181818

CSS Usage

background-color: #1D152C;
color: #1D152C;
border-color: #1D152C;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5FA
100
#ECE8F3
200
#D7CFE8
300
#BBACD7
400
#977FC2
500
#7252AD
600
#5B428A
700
#49356E
800
#392956
900
#2C2140
950
#1C1528

Contrast Checker

Text on white

17.56:1

AA Pass AAA Pass

Text on black

1.2:1

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