#21082D

#21082D

Color Values

HEX

#21082D

RGB

33, 8, 45

HSL

280.5, 69.8%, 10.4%

HSV

280.5, 82.2%, 17.6%

CMYK

26.7%, 82.2%, 0.0%, 82.4%

OKLCH

0.1992 0.0738 312.7

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#21082D

#142D08

Analogous

#0E082D

#2D0827

#21082D

Triadic

#21082D

#2D2108

#082D21

Split Complementary

#21082D

#272D08

#082D0E

Tetradic

#21082D

#2D0E08

#142D08

#08272D

Color Blindness Simulation

Original

#21082D

Protanopia

#161624

Deuteranopia

#181922

Tritanopia

#201D1B

Achromatopsia

#101010

CSS Usage

background-color: #21082D;
color: #21082D;
border-color: #21082D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F3FC
100
#F1E3F8
200
#E4C2F4
300
#D197ED
400
#B85FE3
500
#9F27D8
600
#7F1FAD
700
#66198B
800
#4F136C
900
#3B124F
950
#250B32

Contrast Checker

Text on white

18.46:1

AA Pass AAA Pass

Text on black

1.14:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026