#2B1C3D

#2B1C3D

Color Values

HEX

#2B1C3D

RGB

43, 28, 61

HSL

267.3, 37.1%, 17.5%

HSV

267.3, 54.1%, 23.9%

CMYK

29.5%, 54.1%, 0.0%, 76.1%

OKLCH

0.2625 0.0621 303.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#2B1C3D

#2E3D1C

Analogous

#1C1E3D

#3C1C3D

#2B1C3D

Triadic

#2B1C3D

#3D2B1C

#1C3D2B

Split Complementary

#2B1C3D

#3D3C1C

#1E3D1C

Tetradic

#2B1C3D

#3D1C1E

#2E3D1C

#1C3D3C

Color Blindness Simulation

Original

#2B1C3D

Protanopia

#252435

Deuteranopia

#252633

Tritanopia

#2A2F2D

Achromatopsia

#222222

CSS Usage

background-color: #2B1C3D;
color: #2B1C3D;
border-color: #2B1C3D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F5FA
100
#EDE8F3
200
#DACEE9
300
#C0ABD9
400
#9D7EC4
500
#7B50AF
600
#63408C
700
#4F3370
800
#3E2857
900
#2F2041
950
#1E1429

Contrast Checker

Text on white

15.72:1

AA Pass AAA Pass

Text on black

1.34:1

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