#0055bb - London Rain color

A vivid medium-deep cobalt blue with strong saturated azure tones, leaning cooler than royal blue. It reads as a bright, crisp maritime blue with pronounced clarity and slight electric vibrancy, evoking clear daytime skies and deep ocean surfaces. Its intensity makes it excellent for bold accents or confident branding, while remaining readable for interfaces and print when paired with light neutrals. This blue feels modern, energetic, and trustworthy—calm yet striking rather than muted or pastel.

color #0055bb

#0055bb color RGB value is 0, 85, 187, and the CMYK value is 1.00, 0.545, 0.00, 0.267. Alternative names for that color are: london rain, indigo, royalblue, cerulean blue, denim.

Color Conversion

Name
Values
CSS
RGB(0-255)
0, 85, 187
rgb(0, 85, 187)
CMYK
1.00, 0.545, 0.00, 0.267
-
sRGB
0.00, 0.333, 0.733
rgb(0% 33.3% 73.3%)
Adobe® 98 RGB compatible
0.190, 0.336, 0.716
color(a98-rgb 0.19 0.336 0.716)
HCT
267, 59.1, 38.0
color(--hct 267 40.8% 38%)
HSL
213, 100, 36.7
hsl(213 100% 36.7%)
HSV
213, 100, 73.3
color(--hsv 213 100% 73.3%)
HWB
213, 0.00, 26.7
hwb(213 0% 26.7%)
Lab
37.0, 11.2, -60.9
lab(37 11.2 -60.9)
P3
0.134, 0.328, 0.708
color(display-p3 0.134 0.328 0.708)
XYZ D50
0.106, 0.0952, 0.364
color(xyz-d50 0.106 0.095 0.364)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#0055bb
RGB:0 85 187
HSL:212.73deg 100% 36.67%
HEX:#bb6600
RGB:187 102 0
HSL:32.73deg 100% 36.67%

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