#150B24

#150B24

Color Values

HEX

#150B24

RGB

21, 11, 36

HSL

264.0, 53.2%, 9.2%

HSV

264.0, 69.4%, 14.1%

CMYK

41.7%, 69.4%, 0.0%, 85.9%

OKLCH

0.1791 0.0504 299.8

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#150B24

#1A240B

Analogous

#0B0D24

#210B24

#150B24

Triadic

#150B24

#24150B

#0B2415

Split Complementary

#150B24

#24210B

#0D240B

Tetradic

#150B24

#240B0D

#1A240B

#0B2421

Color Blindness Simulation

Original

#150B24

Protanopia

#11111E

Deuteranopia

#11121C

Tritanopia

#141918

Achromatopsia

#0F0F0F

CSS Usage

background-color: #150B24;
color: #150B24;
border-color: #150B24;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F4FB
100
#ECE5F5
200
#D8C8EE
300
#BBA1E2
400
#976ED3
500
#723CC3
600
#5B309C
700
#49267D
800
#391E62
900
#2C1948
950
#1C102D

Contrast Checker

Text on white

19.0:1

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