#251121

#251121

Color Values

HEX

#251121

RGB

37, 17, 33

HSL

312.0, 37.0%, 10.6%

HSV

312.0, 54.1%, 14.5%

CMYK

0.0%, 54.1%, 10.8%, 85.5%

OKLCH

0.2137 0.0429 334.8

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#251121

#112515

Analogous

#1F1125

#251117

#251121

Triadic

#251121

#212511

#112125

Split Complementary

#251121

#172511

#11251F

Tetradic

#251121

#251F11

#112515

#111725

Color Blindness Simulation

Original

#251121

Protanopia

#1C1C1D

Deuteranopia

#1E1F1C

Tritanopia

#241A19

Achromatopsia

#161616

CSS Usage

background-color: #251121;
color: #251121;
border-color: #251121;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#FAF5F9
100
#F3E8F1
200
#E9CEE3
300
#D8ABCF
400
#C47EB6
500
#AF509C
600
#8C407D
700
#703364
800
#57284E
900
#41203A
950
#291425

Contrast Checker

Text on white

17.78:1

AA Pass AAA Pass

Text on black

1.18:1

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