Palettes / Colors / #257599

#257599 — Blue

#257599 is a blue color we call Blue, closest to the named color SteelBlue (#4682B4). It belongs to the blue family.

Color name

Closest CSS keyword: steelblue (#4682B4) — not an exact match. CSS steelblue gives you #4682B4, a different color; use #257599 when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#257599 is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #984925; it also sits naturally between #259883 and #253A98. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 15% · Green 46% · Blue 60%

Cyan 76% · Magenta 24% · Yellow 0% · Key 40%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #257599

.text { color: #257599; }
.background { background-color: #257599; }
.border { border: 3px solid #257599; }
.text-rgb { color: rgb(37, 117, 153); }
.text-hsl { color: hsl(199, 61%, 37%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #257599; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(37, 117, 153, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #257599; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(37, 117, 153, 0.8); }

HTML: <p style="color:#257599">Text here</p> · <div style="background-color:#257599">Div content here</div>

Shades of #257599

Tints of #257599

Tones of #257599

Color harmonies

Complementary — #984925:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #257599: #FFFFFF.

Semi-transparent (opacity) text on #257599

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #257599 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 #257599 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

← #257598  ·  #25759A →

Frequently asked questions

What color is #257599?

#257599 is Blue, a blue color (RGB 37, 117, 153). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #257599?

#257599 is RGB 37, 117, 153 — HSL 199°, 61%, 37% — CMYK 76%, 24%, 0%, 40%.

What colors go with #257599?

Its complement is #984925; analogous partners are #259883 and #253A98. It also appears in 6+ palettes in our collection.

Can I use #257599 for text?

White text on #257599 has a contrast ratio of 5.14:1 (passes WCAG AA); black text gives 4.08:1.