#15282B

#15282B

Color Values

HEX

#15282B

RGB

21, 40, 43

HSL

188.2, 34.4%, 12.5%

HSV

188.2, 51.2%, 16.9%

CMYK

51.2%, 7.0%, 0.0%, 83.1%

OKLCH

0.262 0.0254 208.5

Properties

Cool Dark Nearest: RAL 5001 Green Blue

Color Harmonies

Complementary

#15282B

#2B1815

Analogous

#152B23

#151D2B

#15282B

Triadic

#15282B

#2B1528

#282B15

Split Complementary

#15282B

#2B151D

#2B2315

Tetradic

#15282B

#23152B

#2B1815

#1D2B15

Color Blindness Simulation

Original

#15282B

Protanopia

#1D1D2A

Deuteranopia

#1C1B2A

Tritanopia

#162A2A

Achromatopsia

#242424

CSS Usage

background-color: #15282B;
color: #15282B;
border-color: #15282B;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F5F9FA
100
#E8F1F2
200
#CFE4E8
300
#ADD1D7
400
#80B8C1
500
#549FAB
600
#437F89
700
#36666E
800
#2A5056
900
#213B3F
950
#152528

Contrast Checker

Text on white

15.33:1

AA Pass AAA Pass

Text on black

1.37:1

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