#281A2D

#281A2D

Color Values

HEX

#281A2D

RGB

40, 26, 45

HSL

284.2, 26.8%, 13.9%

HSV

284.2, 42.2%, 17.6%

CMYK

11.1%, 42.2%, 0.0%, 82.4%

OKLCH

0.2443 0.0403 316.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#281A2D

#1F2D1A

Analogous

#1E1A2D

#2D1A28

#281A2D

Triadic

#281A2D

#2D281A

#1A2D28

Split Complementary

#281A2D

#282D1A

#1A2D1E

Tetradic

#281A2D

#2D1E1A

#1F2D1A

#1A282D

Color Blindness Simulation

Original

#281A2D

Protanopia

#222228

Deuteranopia

#232427

Tritanopia

#272524

Achromatopsia

#1E1E1E

CSS Usage

background-color: #281A2D;
color: #281A2D;
border-color: #281A2D;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F8F6F9
100
#EFE9F1
200
#E0D2E5
300
#CAB1D2
400
#AD87BA
500
#905DA2
600
#734B81
700
#5C3C67
800
#482F51
900
#36253C
950
#221726

Contrast Checker

Text on white

16.46:1

AA Pass AAA Pass

Text on black

1.28:1

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