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Punchy Vesta Ruby

#a40525
Notes

Punchy Vesta Ruby (#A40525) is a deep red with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (348°, 94%, 33%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a40525
RGB
rgb(164, 5, 37)
HSL
hsl(348, 94%, 33%)
HWB
hwb(348 2% 36%)
OKLCH
oklch(45.6% 0.181 21.5)
P3
color(display-p3 0.5888 0.1220 0.1653)
HSV
hsv(348, 97%, 64%)
LAB
lab(34.27% 57.67 29.87)
LCH
lch(34.27% 64.95 27.38)
CMYK
cmyk(0%, 97%, 77%, 36%)

Etymology

Punchy
adjective

A modern adjectival form of punch, to strike sharply. Used as a color word since the early twentieth century for hues that read as highly contrasting and visually loud. Punchy red, punchy yellow: the implication is full saturation combined with optical impact. Sits across the bold and bright buckets, near vivid and striking.

Vesta
modifier

Latin Vesta, Roman-goddess-of-hearth. As a color modifier, vesta implies an asteroid-and-hearth-flame-and-bright-and-rocky quality, the visual register of Vesta-asteroid-and-Roman-hearth hand-asteroid-and-hearth-flame-and-bright Vesta-asteroid-and-Roman-hearth-and-Dawn-mission vesta-and-asteroid-and-hearth-flame-and-bright surfaces under Vesta-asteroid-and-Roman-hearth-and-Dawn-mission asteroid-belt-and-Vestal-Temple sacred-flame-light. Sits at the modifier-and-cosmic end of the grid, parallel to ceres and juno in usage.

Ruby
noun

From the Latin ruber — simply, red. The gemstone is a chromium-tinged corundum, harder than anything in nature except diamond, and so saturated that a fine Burmese pigeon's blood ruby at auction outpaces a comparable diamond by weight. The color borrows the gem's confidence: a clear, glassy red without the brown of garnet or the blue of crimson.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#a40525
Original
#423c24
Protanopia
#665c1f
Deuteranopia
#b50017
Tritanopia
#292929
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
7.99:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.63:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##A40525
Display P3
Display P3
color(display-p3 0.5888 0.1220 0.1653)
P3 has visible headroomOKLCH chroma 0.181

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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