Palettes / Colors / #282999
#282999 — Blue
#282999 is a blue color we call Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.
Color name
Closest CSS keyword: darkslateblue (#483D8B) — not an exact match. CSS darkslateblue gives you #483D8B, a different color; use #282999 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.
#282999 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 #9A9828; it also sits naturally between #28639A and #5F289A. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #282999 |
|---|---|
| RGB | 40, 41, 153 |
| HSL | 239°, 59%, 38% |
| HSV | 239°, 74%, 60% |
| CMYK | 74%, 73%, 0%, 40% |
| XYZ | 7.42, 4.34, 30.58 |
| Yxy | 4.34, 0.1752, 0.1024 |
| CIE-Lab | 24.76, 38.00, -60.71 |
| Hunter Lab | 20.83, 28.70, -76.46 |
RGB & CMYK percentages
Red 16% · Green 16% · Blue 60%
Cyan 74% · Magenta 73% · Yellow 0% · Key 40%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #282999
.text { color: #282999; }
.background { background-color: #282999; }
.border { border: 3px solid #282999; }
.text-rgb { color: rgb(40, 41, 153); }
.text-hsl { color: hsl(239, 59%, 38%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #282999; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(40, 41, 153, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #282999; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(40, 41, 153, 0.8); }
HTML: <p style="color:#282999">Text here</p> · <div style="background-color:#282999">Div content here</div>
Shades of #282999
Tints of #282999
Tones of #282999
Color harmonies
Complementary — #9A9828:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 11.25:1 AAA |
|---|---|
| Against black text | 1.87:1 Fails |
Best text color on #282999: #FFFFFF.
Semi-transparent (opacity) text on #282999
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:
Smaller body text shows the effect best.
Blended color: · Contrast against #282999: ·
How #282999 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 #282999 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 #282999?
#282999 is Blue, a blue color (RGB 40, 41, 153). Its closest standard named color is DarkSlateBlue.
What is the RGB and HSL of #282999?
#282999 is RGB 40, 41, 153 — HSL 239°, 59%, 38% — CMYK 74%, 73%, 0%, 40%.
What colors go with #282999?
Its complement is #9A9828; analogous partners are #28639A and #5F289A. It also appears in 6+ palettes in our collection.
Can I use #282999 for text?
White text on #282999 has a contrast ratio of 11.25:1 (passes WCAG AA); black text gives 1.87:1.