#151F2C

#151F2C

Color Values

HEX

#151F2C

RGB

21, 31, 44

HSL

213,9, 35,4%, 12,7%

HSV

213,9, 52,3%, 17,3%

CMYK

52,3%, 29,5%, 0,0%, 82,7%

OKLCH

0,2362 0,0291 255,3

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#151F2C

#2C2215

Analogous

#152A2C

#16152C

#151F2C

Triadic

#151F2C

#2C151F

#1F2C15

Split Complementary

#151F2C

#2C1615

#2A2C15

Tetradic

#151F2C

#2C152A

#2C2215

#152C16

Color Blindness Simulation

Original

#151F2C

Protanopia

#191929

Deuteranopia

#191828

Tritanopia

#162626

Achromatopsia

#1E1E1E

CSS Usage

background-color: #151F2C;
color: #151F2C;
border-color: #151F2C;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F5F7FA
100
#E8ECF3
200
#CFDAE8
300
#ACBFD7
400
#7F9CC2
500
#527AAD
600
#42618A
700
#354E6E
800
#293D56
900
#212E40
950
#151D28

Contrast Checker

Text on white

16,61:1

AA Pass AAA Pass

Text on black

1,26:1

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