#21072E

#21072E

Color Values

HEX

#21072E

RGB

33, 7, 46

HSL

280.0, 73.6%, 10.4%

HSV

280.0, 84.8%, 18.0%

CMYK

28.3%, 84.8%, 0.0%, 82.0%

OKLCH

0.1984 0.077 312.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#21072E

#142E07

Analogous

#0E072E

#2E0728

#21072E

Triadic

#21072E

#2E2107

#072E21

Split Complementary

#21072E

#282E07

#072E0E

Tetradic

#21072E

#2E0E07

#142E07

#07282E

Color Blindness Simulation

Original

#21072E

Protanopia

#161625

Deuteranopia

#171922

Tritanopia

#201D1B

Achromatopsia

#0F0F0F

CSS Usage

background-color: #21072E;
color: #21072E;
border-color: #21072E;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F3FC
100
#F1E2F8
200
#E4C1F6
300
#D195EF
400
#B85BE6
500
#9F22DD
600
#7F1BB1
700
#66168E
800
#4F116F
900
#3B1051
950
#250A33

Contrast Checker

Text on white

18.51:1

AA Pass AAA Pass

Text on black

1.13:1

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