#6487b0 - Perfect Periwinkle color

This is a mid-tone steel blue with pronounced gray undertones, creating a subdued, sophisticated slate-like hue. It reads cool and calming, evoking denim, maritime skies, and weathered metal. The color feels stable and professional while retaining gentle warmth, making it versatile for branding, interfaces, and interiors. It pairs beautifully with warm corals, soft creams, and muted mustard for contrast, or with deeper navy and charcoal for a monochromatic, elegant palette.

color #6487b0

#6487b0 color RGB value is 100, 135, 176, and the CMYK value is 0.432, 0.233, 0.00, 0.310. Alternative names for that color are: perfect periwinkle, gray, steelblue, ship cove, wild blue yonder, violet.

Color Conversion

Name
Values
CSS
RGB(0-255)
100, 135, 176
rgb(100, 135, 176)
CMYK
0.432, 0.233, 0.00, 0.310
-
sRGB
0.392, 0.529, 0.690
rgb(39.2% 52.9% 69%)
Adobe® 98 RGB compatible
0.435, 0.525, 0.679
color(a98-rgb 0.435 0.525 0.679)
HCT
253, 32.1, 55.2
color(--hct 253 22.1% 55.2%)
HSL
212, 32.5, 54.1
hsl(212 32.5% 54.1%)
HSV
212, 43.2, 69.0
color(--hsv 212 43.2% 69%)
HWB
212, 39.2, 31.0
hwb(212 39.2% 31%)
Lab
54.9, -4.32, -25.9
lab(54.9 -4.32 -25.9)
P3
0.421, 0.526, 0.676
color(display-p3 0.421 0.526 0.676)
XYZ D50
0.211, 0.228, 0.335
color(xyz-d50 0.211 0.228 0.335)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#6487b0
RGB:100 135 176
HSL:212.37deg 32.48% 54.12%
HEX:#b08d64
RGB:176 141 100
HSL:32.37deg 32.48% 54.12%

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