Blood Typing Agglutination

  • O Negative Clear Red
    #e74c3c
  • A Positive Clumped Dark Red
    #922b21
  • B Positive Clumped Crimson
    #641e16
  • AB Positive Fully Agglutinated Black-Red
    #1b0000
  • Antiserum Blue (Anti-A)
    #2980b9
  • Antiserum Yellow (Anti-B)
    #f1c40f
  1
Created at 10/29/2026 10:46
The palette consists of Light, Semi dark, Dark colors. Accent colors AB Positive Fully Agglutinated Black-Red #1b0000 and Antiserum Blue (Anti-A) #2980b9. Palette has Warm, Neutral, Cool colors temperature.

By lightness, this palette runs from #1B0000 (darkest) to #F1C40F (lightest). The lightness range is wide.

Overall saturation feels vivid (higher chroma) — 100% of colors are vivid.

Some colors sit roughly opposite each other on the color wheel, giving the palette complementary contrast.

Overall temperature among swatches leans warm (4 of 6).

HEX codes (sorted): #1B0000, #2980B9, #641E16, #922B21, #E74C3C, #F1C40F

Palette Blood Typing Agglutination combines 6 color codes:
HEX: #e74c3c, RGB: (231, 76, 60); HEX: #922b21, RGB: (146, 43, 33); HEX: #641e16, RGB: (100, 30, 22)
HEX: #1b0000, RGB: (27, 0, 0); HEX: #2980b9, RGB: (41, 128, 185); HEX: #f1c40f, RGB: (241, 196, 15)
Simplified version of palette colors
Shade of Tomato, Shade of Brown, Tint of Maroon, Tint of Black, Shade of Steel Blue, Shade of Gold
Color scheme was created by bad_colors

Color codes in palette

Blood Typing Agglutination color codes HEX, RGB information in table

ColorHEXRGBNameAlternative name
#e74c3c#e74c3cRGB(231, 76, 60)O Negative Clear Red—
#922b21#922b21RGB(146, 43, 33)A Positive Clumped Dark Red—
#641e16#641e16RGB(100, 30, 22)B Positive Clumped Crimson—
#1b0000#1b0000RGB(27, 0, 0)AB Positive Fully Agglutinated Black-Red—
#2980b9#2980b9RGB(41, 128, 185)Antiserum Blue (Anti-A)—
#f1c40f#f1c40fRGB(241, 196, 15)Antiserum Yellow (Anti-B)—

Color Palette Contrast

4 color pairs have low contrast and need improvement which may impact readability.
Text ColorBackground ColorContrast Ratio
#e74c3c
#2980b9
1.12
#922b21
#641e16
1.48
#922b21
#2980b9
1.88
#641e16
#1b0000
1.66

Image palette Blood Typing Agglutination png