#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.

#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.

Open Color Palette Builder Open Color Wheel

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)