#310904

#310904

Color Values

HEX

#310904

RGB

49, 9, 4

HSL

6.7, 84.9%, 10.4%

HSV

6.7, 91.8%, 19.2%

CMYK

0.0%, 81.6%, 91.8%, 80.8%

OKLCH

0.2122 0.0663 31.9

Properties

Warm Dark Nearest: RAL 3007 Black Red

Color Harmonies

Complementary

#310904

#042C31

Analogous

#310415

#312004

#310904

Triadic

#310904

#043109

#090431

Split Complementary

#310904

#043120

#041531

Tetradic

#310904

#153104

#042C31

#200431

Color Blindness Simulation

Original

#310904

Protanopia

#201F05

Deuteranopia

#222506

Tritanopia

#2F0606

Achromatopsia

#111111

CSS Usage

background-color: #310904;
color: #310904;
border-color: #310904;
Nearest Tailwind: Orange 950 #431407

Tailwind Shades

50
#FDF3F2
100
#FAE3E0
200
#FAC4BD
300
#F6998E
400
#F16251
500
#EC2B13
600
#BD230F
700
#971C0C
800
#76160A
900
#55140B
950
#360C07

Contrast Checker

Text on white

17.93:1

AA Pass AAA Pass

Text on black

1.17:1

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