Palettes / Colors / #51549F
#51549F — Muted Blue
#51549F is a blue color we call Muted Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.
#51549F is a cool blue color associated with trust, calm and professionalism. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.
Its strongest partner is its complement #9F9D50; it also sits naturally between #507A9F and #75509F. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #51549F |
|---|---|
| RGB | 81, 84, 159 |
| HSL | 238°, 33%, 47% |
| HSV | 238°, 49%, 62% |
| CMYK | 49%, 47%, 0%, 38% |
| XYZ | 12.82, 10.59, 34.17 |
| Yxy | 10.59, 0.2227, 0.1840 |
| CIE-Lab | 38.89, 19.85, -41.28 |
| Hunter Lab | 32.55, 15.34, -42.82 |
RGB & CMYK percentages
Red 32% · Green 33% · Blue 62%
Cyan 49% · Magenta 47% · Yellow 0% · Key 38%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #51549F
.text { color: #51549F; }
.background { background-color: #51549F; }
.border { border: 3px solid #51549F; }
.text-rgb { color: rgb(81, 84, 159); }
.text-hsl { color: hsl(238, 33%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #51549F; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 84, 159, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #51549F; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 84, 159, 0.8); }
HTML: <p style="color:#51549F">Text here</p> · <div style="background-color:#51549F">Div content here</div>
Shades of #51549F
Tints of #51549F
Tones of #51549F
Color harmonies
Complementary — #9F9D50:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 6.73:1 AA |
|---|---|
| Against black text | 3.12:1 AA large only |
Best text color on #51549F: #FFFFFF.
How #51549F looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #51549F rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #51549F?
#51549F is Muted Blue, a blue color (RGB 81, 84, 159). Its closest standard named color is DarkSlateBlue.
What is the RGB and HSL of #51549F?
#51549F is RGB 81, 84, 159 — HSL 238°, 33%, 47% — CMYK 49%, 47%, 0%, 38%.
What colors go with #51549F?
Its complement is #9F9D50; analogous partners are #507A9F and #75509F. It also appears in 6+ palettes in our collection.
Can I use #51549F for text?
White text on #51549F has a contrast ratio of 6.73:1 (passes WCAG AA); black text gives 3.12:1.