purplecoolCSS named color
Indigo #4B0082
A deep blue-violet, named after the plant dye.
Use cases: Denim · Deep accents
Color values
| Format | Value | |
|---|---|---|
| HEX | #4B0082 | |
| RGB | rgb(75, 0, 130) | |
| HSL | hsl(275, 100%, 25%) | |
| HSV | hsv(275, 100%, 51%) | |
| CMYK | cmyk(42.3%, 100%, 0%, 49%) | |
| XYZ | xyz(6.9299, 3.1075, 21.3495) | |
| CIE-LAB | lab(20.5, 51.7, -53.3) | |
| Luminance | 0.031 (WCAG relative) |
/* Indigo */
color: #4b0082;
background-color: #4b0082;
Shade scale
Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →
Shades (toward black)
#440075 #3c0068 #35005b #2d004e #260041 #1e0034 #170027 #0f001a #08000d #000000
Tints (toward white)
#5d1a8f #6f339b #814da8 #9366b4 #a580c1 #b799cd #c9b3da #dbcce6 #ede6f3 #ffffff
Tones (toward gray)
#500d82 #561a82 #5b2681 #603381 #664081 #6b4d81 #705a81 #756680 #7b7380 #808080
Color harmonies
Complementary
Edit in generator →#4B0082
#378200
#4b0082 #378200
Analogous
Edit in generator →#0A0082
#4B0082
#820078
#0a0082 #4b0082 #820078
Triadic
Edit in generator →#4B0082
#824B00
#00824B
#4b0082 #824b00 #00824b
Tetradic
Edit in generator →#4B0082
#820A00
#378200
#007882
#4b0082 #820a00 #378200 #007882
Split Complementary
Edit in generator →#4B0082
#788200
#00820A
#4b0082 #788200 #00820a
Monochromatic
Edit in generator →#12001F
#280045
#4B0082
#6E00BF
#9200FC
#12001f #280045 #4b0082 #6e00bf #9200fc
Accessibility & contrast
12.95
#4B0082 on #FFFFFF
AA text ✓AA large ✓AAA text ✓UI 3:1 ✓
1.62
#4B0082 on #000000
AA text ✗AA large ✗AAA text ✗UI 3:1 ✗
Best text on indigo
12.95
#FFFFFF text
WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1.
Color blindness preview
Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.
Closest named colors
Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀).
| Color | Name | ΔE₀₀ |
|---|---|---|
| Midnight Blue #191970 | 8.86 | |
| Purple #800080 | 10.86 | |
| Gunmetal #2A3439 | 13.26 | |
| Ocean Blue #4F42B5 | 14.38 | |
| Charcoal #36454F | 14.52 | |
| Blue #0000FF | 15.77 |
Related colors
Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.