#515b87 - Marlin color

A muted, dusky slate blue that leans toward cool indigo with soft gray undertones. It evokes a late-evening sky after rain—calm, contemplative, and slightly smoky. The tone feels sophisticated and understated rather than bright or saturated, offering a serene, stabilizing presence. It pairs elegantly with warm neutrals or metallics and works well for backgrounds, textiles, or interiors seeking subtle depth. Overall, the color reads refined, introspective, and quietly dramatic without overwhelming.

color #515b87

#515b87 color RGB value is 81, 91, 135, and the CMYK value is 0.400, 0.326, 0.00, 0.471. Alternative names for that color are: marlin, gray, steelblue, east bay, midnight blue, indigo.

Color Conversion

Name
Values
CSS
RGB(0-255)
81, 91, 135
rgb(81, 91, 135)
CMYK
0.400, 0.326, 0.00, 0.471
-
sRGB
0.318, 0.357, 0.529
rgb(31.8% 35.7% 52.9%)
Adobe® 98 RGB compatible
0.332, 0.358, 0.519
color(a98-rgb 0.332 0.358 0.519)
HCT
276, 30.3, 39.5
color(--hct 276 20.9% 39.5%)
HSL
229, 25.0, 42.4
hsl(229 25% 42.4%)
HSV
229, 40.0, 52.9
color(--hsv 229 40% 52.9%)
HWB
229, 31.8, 47.1
hwb(229 31.8% 47.1%)
Lab
39.2, 5.00, -26.1
lab(39.2 5 -26.1)
P3
0.325, 0.356, 0.516
color(display-p3 0.325 0.356 0.516)
XYZ D50
0.111, 0.108, 0.184
color(xyz-d50 0.111 0.108 0.184)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#515b87
RGB:81 91 135
HSL:228.89deg 25% 42.35%
HEX:#877d51
RGB:135 125 81
HSL:48.89deg 25% 42.35%

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