Palettes / Colors / #CB010D

#CB010D — Vivid Red

#CB010D is a red color we call Vivid Red, closest to the named color FireBrick (#B22222). It belongs to the red family.

Color name

Closest CSS keyword: firebrick (#B22222) — not an exact match. CSS firebrick gives you #B22222, a different color; use #CB010D 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.

#CB010D is a warm red color associated with energy, passion and urgency. 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 #01CBBE; it also sits naturally between #CB0173 and #CB5901. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 80% · Green 0% · Blue 5%

Cyan 0% · Magenta 100% · Yellow 94% · Key 20%

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

Previews

CSS code for #CB010D

.text { color: #CB010D; }
.background { background-color: #CB010D; }
.border { border: 3px solid #CB010D; }
.text-rgb { color: rgb(203, 1, 13); }
.text-hsl { color: hsl(356, 99%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CB010D; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(203, 1, 13, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CB010D; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(203, 1, 13, 0.8); }

HTML: <p style="color:#CB010D">Text here</p> · <div style="background-color:#CB010D">Div content here</div>

Shades of #CB010D

Tints of #CB010D

Tones of #CB010D

Color harmonies

Complementary — #01CBBE:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #CB010D: #FFFFFF.

Semi-transparent (opacity) text on #CB010D

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 #CB010D 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 #CB010D 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

← #CB010C  ·  #CB010E →

Frequently asked questions

What color is #CB010D?

#CB010D is Vivid Red, a red color (RGB 203, 1, 13). Its closest standard named color is FireBrick.

What is the RGB and HSL of #CB010D?

#CB010D is RGB 203, 1, 13 — HSL 356°, 99%, 40% — CMYK 0%, 100%, 94%, 20%.

What colors go with #CB010D?

Its complement is #01CBBE; analogous partners are #CB0173 and #CB5901. It also appears in 6+ palettes in our collection.

Can I use #CB010D for text?

White text on #CB010D has a contrast ratio of 5.92:1 (passes WCAG AA); black text gives 3.55:1.