bluecool
Sapphire #0F52BA
A rich saturated blue named after the gemstone.
Use cases: Jewelry brands · Premium tech
Color values
| Format | Value | |
|---|---|---|
| HEX | #0F52BA | |
| RGB | rgb(15, 82, 186) | |
| HSL | hsl(216, 85%, 39%) | |
| HSV | hsv(216, 92%, 73%) | |
| CMYK | cmyk(91.9%, 55.9%, 0%, 27.1%) | |
| XYZ | xyz(12.074, 9.6797, 47.6768) | |
| CIE-LAB | lab(37.3, 21.8, -60.0) | |
| Luminance | 0.097 (WCAG relative) |
/* Sapphire */
color: #0f52ba;
background-color: #0f52ba;
Shade scale
Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →
Shades (toward black)
#0e4aa7 #0c4295 #0b3982 #093170 #08295d #06214a #051938 #031025 #020813 #000000
Tints (toward white)
#2763c1 #3f75c8 #5786cf #6f97d6 #87a9dd #9fbae3 #b7cbea #cfdcf1 #e7eef8 #ffffff
Tones (toward gray)
#1a57b4 #265bae #3160a9 #3c64a3 #48699d #536e97 #5e7291 #69778c #757b86 #808080
Color harmonies
Complementary
Edit in generator →#0F52BA
#BA770F
#0f52ba #ba770f
Analogous
Edit in generator →#0FA8BA
#0F52BA
#210FBA
#0fa8ba #0f52ba #210fba
Triadic
Edit in generator →#0F52BA
#BA0F52
#52BA0F
#0f52ba #ba0f52 #52ba0f
Tetradic
Edit in generator →#0F52BA
#BA0FA8
#BA770F
#0FBA21
#0f52ba #ba0fa8 #ba770f #0fba21
Split Complementary
Edit in generator →#0F52BA
#BA210F
#A8BA0F
#0f52ba #ba210f #a8ba0f
Monochromatic
Edit in generator →#062049
#0A3981
#0F52BA
#1A6CED
#5291F1
#062049 #0a3981 #0f52ba #1a6ced #5291f1
Accessibility & contrast
7.15
#0F52BA on #FFFFFF
AA text ✓AA large ✓AAA text ✓UI 3:1 ✓
2.94
#0F52BA on #000000
AA text ✗AA large ✗AAA text ✗UI 3:1 ✗
Best text on sapphire
7.15
#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 |
|---|---|---|
| Cobalt #0047AB | 3.85 | |
| Denim #1560BD | 4.94 | |
| Royal Blue #4169E1 | 9.75 | |
| Ocean Blue #4F42B5 | 9.84 | |
| Slate Blue #6A5ACD | 11.91 | |
| Charcoal #36454F | 15.14 |
Related colors
Palettes with sapphire
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.