#11353f - Firmament Blue color
A very deep teal-blue, almost like the shadowed surface of a northern sea at dusk. It reads cool and muted, with green undertones that give it an evergreen, maritime character rather than a pure navy. The shade feels sophisticated and grounding—subtle and moody rather than bright—making it excellent for backgrounds, accents in interiors, branding for premium or nautical themes, and elegant contrasts with warm metals, creams, or coral highlights.
#11353f color RGB value is 17, 53, 63, and the CMYK value is 0.730, 0.159, 0.00, 0.753. Alternative names for that color are: firmament blue, black, darkslategray, firefly, outer space, indigo, darkslategrey.
Color Conversion
Name | Values | CSS |
|---|---|---|
RGB(0-255) | 17, 53, 63 | rgb(17, 53, 63) |
CMYK | 0.730, 0.159, 0.00, 0.753 | - |
sRGB | 0.0667, 0.208, 0.247 | rgb(6.67% 20.8% 24.7%) |
Adobe® 98 RGB compatible | 0.144, 0.219, 0.254 | color(a98-rgb 0.144 0.219 0.254) |
HCT | 220, 21.0, 20.1 | color(--hct 220 14.5% 20.1%) |
HSL | 193, 57.5, 15.7 | hsl(193 57.5% 15.7%) |
HSV | 193, 73.0, 24.7 | color(--hsv 193 73% 24.7%) |
HWB | 193, 6.67, 75.3 | hwb(193 6.67% 75.3%) |
Lab | 20.0, -10.5, -10.3 | lab(20 -10.5 -10.3) |
P3 | 0.106, 0.205, 0.243 | color(display-p3 0.106 0.205 0.243) |
XYZ D50 | 0.0233, 0.0298, 0.0390 | color(xyz-d50 0.023 0.03 0.039) |
