#630003

#630003

Color Values

HEX

#630003

RGB

99, 0, 3

HSL

358.2, 100.0%, 19.4%

HSV

358.2, 100.0%, 38.8%

CMYK

0.0%, 100.0%, 97.0%, 61.2%

OKLCH

0.3141 0.1283 27.9

Properties

Warm Dark Nearest: RAL 3011 Brown Red

Color Harmonies

Complementary

#630003

#006360

Analogous

#630034

#632F00

#630003

Triadic

#630003

#036300

#000363

Split Complementary

#630003

#00632F

#003463

Tetradic

#630003

#346300

#006360

#2F0063

Color Blindness Simulation

Original

#630003

Protanopia

#383702

Deuteranopia

#3E4502

Tritanopia

#5E0202

Achromatopsia

#151515

CSS Usage

background-color: #630003;
color: #630003;
border-color: #630003;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FEF1F1
100
#FCDEDF
200
#FFB8BA
300
#FF8588
400
#FF4248
500
#FF0008
600
#CC0006
700
#A30005
800
#800004
900
#5C0507
950
#3A0305

Contrast Checker

Text on white

13.71:1

AA Pass AAA Pass

Text on black

1.53:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026