#150aec - Burning Ultrablue color

A deep, electric indigo leaning strongly toward violet, this color is vivid and cool with high saturation. It reads as an intense twilight blue that glows with neon-like energy, evoking LED lighting, futuristic interfaces, and high-contrast accents. It feels bold, creative, and slightly mysterious—excellent for tech branding, nightlife visuals, or striking call-to-action elements. Against pale or metallic surfaces it pops dramatically; paired with soft pastels it becomes lively, while with black it gains a rich, inky depth.

#150aec color RGB value is 21, 10, 236, and the CMYK value is 0.911, 0.958, 0.00, 0.0745. Alternative names for that color are: burning ultrablue, blue, purple heart.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	21, 10, 236	rgb(21, 10, 236)
CMYK	0.911, 0.958, 0.00, 0.0745	-
sRGB	0.0824, 0.0392, 0.925	rgb(8.24%, 3.92%, 92.5%)
Adobe® 98 RGB compatible	0.0993, 0.0716, 0.906	color(a98-rgb, 0.099, 0.072, 0.906)
HCT	284, 82.8, 30.5	color(--hct, 284, 57.1%, 30.5%)
HSL	243, 91.9, 48.2	hsl(243, 91.9%, 48.2%)
HSV	243, 95.8, 92.5	color(--hsv, 243, 95.8%, 92.5%)
HWB	243, 3.92, 7.45	hwb(243, 3.92%, 7.45%)
Lab	28.0, 62.9, -104	lab(28%, 62.9, -104)
P3	0.0761, 0.0411, 0.888	color(display-p3, 0.076, 0.041, 0.888)
XYZ D50	0.124, 0.0547, 0.599	color(xyz-d50, 0.124, 0.055, 0.599)