#213040

#213040

Color Values

HEX

#213040

RGB

33, 48, 64

HSL

211.0, 32.0%, 19.0%

HSV

211.0, 48.4%, 25.1%

CMYK

48.4%, 25.0%, 0.0%, 74.9%

OKLCH

0.3033 0.0354 250.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#213040

#403121

Analogous

#213F40

#212140

#213040

Triadic

#213040

#402130

#304021

Split Complementary

#213040

#402121

#3F4021

Tetradic

#213040

#40213F

#403121

#214021

Color Blindness Simulation

Original

#213040

Protanopia

#27283C

Deuteranopia

#27263B

Tritanopia

#223938

Achromatopsia

#2E2E2E

CSS Usage

background-color: #213040;
color: #213040;
border-color: #213040;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DBE7
300
#AEC1D5
400
#82A0BF
500
#577EA8
600
#456587
700
#37516C
800
#2B3F54
900
#22303E
950
#161E27

Contrast Checker

Text on white

13.45:1

AA Pass AAA Pass

Text on black

1.56:1

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