#223399 - North Star Blue color

Rich, deep royal blue leaning toward indigo, this saturated hue combines cool calmness with bold clarity. It reads as dignified and modern—strong enough to command attention without feeling harsh—evoking twilight skies, polished lacquer, and deep ocean depths. Ideal for corporate identities, tech interfaces, and refined fashion accents, it pairs beautifully with warm metallics, crisp whites, or soft grays. The color communicates professionalism, trustworthiness, and a subtle creative edge, making it versatile for both conservative and contemporary palettes.

color #223399

#223399 color RGB value is 34, 51, 153, and the CMYK value is 0.778, 0.667, 0.00, 0.400. Alternative names for that color are: north star blue, indigo, midnightblue, smalt, royal purple.

Color Conversion

Name
Values
CSS
RGB(0-255)
34, 51, 153
rgb(34, 51, 153)
CMYK
0.778, 0.667, 0.00, 0.400
-
sRGB
0.133, 0.200, 0.600
rgb(13.3% 20% 60%)
Adobe® 98 RGB compatible
0.172, 0.212, 0.584
color(a98-rgb 0.172 0.212 0.584)
HCT
279, 55.7, 26.8
color(--hct 279 38.4% 26.8%)
HSL
231, 63.6, 36.7
hsl(231 63.6% 36.7%)
HSV
231, 77.8, 60.0
color(--hsv 231 77.8% 60%)
HWB
231, 13.3, 40.0
hwb(231 13.3% 40%)
Lab
25.7, 23.9, -58.8
lab(25.7 23.9 -58.8)
P3
0.147, 0.198, 0.577
color(display-p3 0.147 0.198 0.577)
XYZ D50
0.0653, 0.0466, 0.231
color(xyz-d50 0.065 0.047 0.231)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#223399
RGB:34 51 153
HSL:231.43deg 63.64% 36.67%
HEX:#998822
RGB:153 136 34
HSL:51.43deg 63.64% 36.67%

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