#150C2D

#150C2D

Color Values

HEX

#150C2D

RGB

21, 12, 45

HSL

256,4, 57,9%, 11,2%

HSV

256,4, 73,3%, 17,6%

CMYK

53,3%, 73,3%, 0,0%, 82,4%

OKLCH

0,1892 0,0634 291,8

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#150C2D

#242D0C

Analogous

#0C142D

#260C2D

#150C2D

Triadic

#150C2D

#2D150C

#0C2D15

Split Complementary

#150C2D

#2D260C

#142D0C

Tetradic

#150C2D

#2D0C14

#242D0C

#0C2D26

Color Blindness Simulation

Original

#150C2D

Protanopia

#111125

Deuteranopia

#121223

Tritanopia

#151F1D

Achromatopsia

#101010

CSS Usage

background-color: #150C2D;
color: #150C2D;
border-color: #150C2D;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F6F4FB
100
#E9E4F6
200
#D2C7F0
300
#B29EE5
400
#886AD7
500
#5E36C9
600
#4B2BA1
700
#3C2281
800
#2F1B65
900
#25174A
950
#170F2F

Contrast Checker

Text on white

18,71:1

AA Pass AAA Pass

Text on black

1,12:1

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