#1C2117

#1C2117

Color Values

HEX

#1C2117

RGB

28, 33, 23

HSL

90.0, 17.9%, 11.0%

HSV

90.0, 30.3%, 12.9%

CMYK

15.2%, 0.0%, 30.3%, 87.1%

OKLCH

0.2391 0.0199 129.4

Properties

Cool Dark Nearest: RAL 6022 Olive Drab

Color Harmonies

Complementary

#1C2117

#1C1721

Analogous

#212117

#172117

#1C2117

Triadic

#1C2117

#171C21

#21171C

Split Complementary

#1C2117

#171721

#211721

Tetradic

#1C2117

#172121

#1C1721

#211717

Color Blindness Simulation

Original

#1C2117

Protanopia

#1E1E19

Deuteranopia

#1E1E1A

Tritanopia

#1C1B1C

Achromatopsia

#1F1F1F

CSS Usage

background-color: #1C2117;
color: #1C2117;
border-color: #1C2117;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F7F9F6
100
#EDF0EA
200
#DBE2D5
300
#C2CDB7
400
#A1B290
500
#809669
600
#667854
700
#526043
800
#404B34
900
#303829
950
#1F241A

Contrast Checker

Text on white

16.42:1

AA Pass AAA Pass

Text on black

1.28:1

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