#1F202B

#1F202B

Color Values

HEX

#1F202B

RGB

31, 32, 43

HSL

235.0, 16.2%, 14.5%

HSV

235.0, 27.9%, 16.9%

CMYK

27.9%, 25.6%, 0.0%, 83.1%

OKLCH

0.2475 0.0209 280.7

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#1F202B

#2B2A1F

Analogous

#1F262B

#241F2B

#1F202B

Triadic

#1F202B

#2B1F20

#202B1F

Split Complementary

#1F202B

#2B241F

#262B1F

Tetradic

#1F202B

#2B1F26

#2B2A1F

#1F2B24

Color Blindness Simulation

Original

#1F202B

Protanopia

#1F1F28

Deuteranopia

#1F1F28

Tritanopia

#1F2626

Achromatopsia

#212121

CSS Usage

background-color: #1F202B;
color: #1F202B;
border-color: #1F202B;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F6F6F8
100
#EBEBF0
200
#D6D6E1
300
#B8BACC
400
#9194B0
500
#6B6E94
600
#555877
700
#44475F
800
#35374A
900
#292B38
950
#1A1B23

Contrast Checker

Text on white

16.16:1

AA Pass AAA Pass

Text on black

1.3:1

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