#21467a - Theatre Blue color

A deep, cool navy with strong indigo undertones, this blue reads like twilight over a calm sea—rich, slightly muted, and quietly dramatic. It conveys professionalism and stability while retaining a subtle modern edge, pairing beautifully with warm neutrals, brass, coral, or soft grays. The color feels grounding and authoritative without seeming heavy, making it ideal for corporate identities, nautical themes, and sophisticated user interfaces that require a trustworthy, composed atmosphere.

#21467a color RGB value is 33, 70, 122, and the CMYK value is 0.730, 0.426, 0.00, 0.522. Alternative names for that color are: theatre blue, gray, darkslateblue, east bay, midnight blue, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	33, 70, 122	rgb(33, 70, 122)
CMYK	0.730, 0.426, 0.00, 0.522	-
sRGB	0.129, 0.275, 0.478	rgb(12.9%, 27.5%, 47.8%)
Adobe® 98 RGB compatible	0.198, 0.281, 0.469	color(a98-rgb, 0.198, 0.281, 0.469)
HCT	262, 38.2, 29.7	color(--hct, 262, 26.3%, 29.7%)
HSL	215, 57.4, 30.4	hsl(215, 57.4%, 30.4%)
HSV	215, 73.0, 47.8	color(--hsv, 215, 73%, 47.8%)
HWB	215, 12.9, 52.2	hwb(215, 12.9%, 52.2%)
Lab	29.2, 1.23, -34.2	lab(29.2%, 1.23, -34.2)
P3	0.166, 0.271, 0.464	color(display-p3, 0.166, 0.271, 0.464)
XYZ D50	0.0581, 0.0591, 0.145	color(xyz-d50, 0.058, 0.059, 0.145)