#376698 - Summerday Blue color

A cool, medium-dark slate blue with muted teal undertones, this color feels composed and sophisticated. It reads as nautical and professional—calming yet substantial—making it suitable for corporate identities, user interfaces, and home accents. It balances depth without becoming heavy, pairing beautifully with crisp white, soft gray, warm tan, or metallic copper for contrast. Its subdued intensity lends a timeless, slightly vintage character while remaining contemporary and versatile across print and digital applications.

color #376698

#376698 color RGB value is 55, 102, 152, and the CMYK value is 0.638, 0.329, 0.00, 0.404. Alternative names for that color are: summerday blue, gray, steelblue, matisse, midnight blue, indigo.

Color Conversion

Name
Values
CSS
RGB(0-255)
55, 102, 152
rgb(55, 102, 152)
CMYK
0.638, 0.329, 0.00, 0.404
-
sRGB
0.216, 0.400, 0.596
rgb(21.6% 40% 59.6%)
Adobe® 98 RGB compatible
0.289, 0.399, 0.584
color(a98-rgb 0.289 0.399 0.584)
HCT
255, 38.5, 42.1
color(--hct 255 26.5% 42.1%)
HSL
211, 46.9, 40.6
hsl(211 46.9% 40.6%)
HSV
211, 63.8, 59.6
color(--hsv 211 63.8% 59.6%)
HWB
211, 21.6, 40.4
hwb(211 21.6% 40.4%)
Lab
41.7, -4.01, -32.7
lab(41.7 -4.01 -32.7)
P3
0.260, 0.395, 0.580
color(display-p3 0.26 0.395 0.58)
XYZ D50
0.113, 0.123, 0.238
color(xyz-d50 0.113 0.123 0.238)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#376698
RGB:55 102 152
HSL:210.93deg 46.86% 40.59%
HEX:#986937
RGB:152 105 55
HSL:30.93deg 46.86% 40.59%

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