#280F2B

#280F2B

Color Values

HEX

#280F2B

RGB

40, 15, 43

HSL

293.6, 48.3%, 11.4%

HSV

293.6, 65.1%, 16.9%

CMYK

7.0%, 65.1%, 0.0%, 83.1%

OKLCH

0.2207 0.0619 323.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#280F2B

#122B0F

Analogous

#1A0F2B

#2B0F20

#280F2B

Triadic

#280F2B

#2B280F

#0F2B28

Split Complementary

#280F2B

#202B0F

#0F2B1A

Tetradic

#280F2B

#2B1A0F

#122B0F

#0F202B

Color Blindness Simulation

Original

#280F2B

Protanopia

#1D1D24

Deuteranopia

#1F2023

Tritanopia

#271F1E

Achromatopsia

#161616

CSS Usage

background-color: #280F2B;
color: #280F2B;
border-color: #280F2B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#FAF4FA
100
#F3E6F4
200
#E9CAED
300
#D9A4DF
400
#C473CE
500
#B042BD
600
#8D3597
700
#712A79
800
#58215F
900
#411B46
950
#29112C

Contrast Checker

Text on white

17.6:1

AA Pass AAA Pass

Text on black

1.19:1

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