#D23B31

#D23B31

Color Values

HEX

#D23B31

RGB

210, 59, 49

HSL

3.7, 64.1%, 50.8%

HSV

3.7, 76.7%, 82.4%

CMYK

0.0%, 71.9%, 76.7%, 17.6%

OKLCH

0.5769 0.1895 28.4

Properties

Warm Dark Nearest: brown 3

Color Harmonies

Complementary

#D23B31

#31C8D2

Analogous

#D23178

#D28B31

#D23B31

Triadic

#D23B31

#31D23B

#3B31D2

Split Complementary

#D23B31

#31D28B

#3178D2

Tetradic

#D23B31

#78D231

#31C8D2

#8B31D2

Color Blindness Simulation

Original

#D23B31

Protanopia

#918F33

Deuteranopia

#99A534

Tritanopia

#CA3536

Achromatopsia

#5A5A5A

CSS Usage

background-color: #D23B31;
color: #D23B31;
border-color: #D23B31;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF4F3
100
#F7E5E3
200
#F2C7C4
300
#E99F9B
400
#DD6C64
500
#D1382E
600
#A72D25
700
#86241D
800
#691C17
900
#4C1814
950
#300F0D

Contrast Checker

Text on white

4.76:1

AA Pass AAA Fail

Text on black

4.41:1

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