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Heroic Pith Ruby

#b83825
Notes

Heroic Pith Ruby (#B83825) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (8°, 67%, 43%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b83825
RGB
rgb(184, 56, 37)
HSL
hsl(8, 67%, 43%)
HWB
hwb(8 15% 28%)
OKLCH
oklch(52.8% 0.168 31.4)
P3
color(display-p3 0.6661 0.2580 0.1824)
HSV
hsv(8, 80%, 72%)
LAB
lab(43.00% 50.44 40.28)
LCH
lch(43.00% 64.55 38.61)
CMYK
cmyk(0%, 70%, 80%, 28%)

Etymology

Heroic
adjective

Latin hēroicus, of a hero — derived from Greek hērōs. As a color modifier, heroic implies a saturated-and-monumental-and-victorious quality, the deep-rich color of Wagner-and-Sibelius late-Romantic-era musical-and-painterly heroic-mode. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and valiant.

Pith
modifier

Old English piþa, pith / inner-stalk. As a color modifier, pith implies a soft-inner-stalk-or-core quality, the visual register of bamboo-and-elderberry-and-rattan-pith hand-cut-and-extracted soft-inner-stalk-or-core hand-cut-and-extracted-pith-and-core surfaces under hand-cut-and-extracted-pith-and-core workshop-light. Sits at the modifier-and-texture end of the grid, parallel to cane and bark 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.

#b83825
Original
#5e5422
Protanopia
#7d701f
Deuteranopia
#cb0635
Tritanopia
#525252
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).
AAon White
5.78:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.63:1

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
##B83825
Display P3
Display P3
color(display-p3 0.6661 0.2580 0.1824)
P3 has subtle headroomOKLCH chroma 0.168

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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