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Hardy Bergamot Crimson

#b51d22
Notes

Hardy Bergamot Crimson (#B51D22) 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 (358°, 72%, 41%) 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
#b51d22
RGB
rgb(181, 29, 34)
HSL
hsl(358, 72%, 41%)
HWB
hwb(358 11% 29%)
OKLCH
oklch(49.9% 0.186 26.1)
P3
color(display-p3 0.6517 0.1800 0.1655)
HSV
hsv(358, 84%, 71%)
LAB
lab(39.28% 58.07 38.01)
LCH
lch(39.28% 69.40 33.21)
CMYK
cmyk(0%, 84%, 81%, 29%)

Etymology

Hardy
adjective

Old French hardi, bold / brave — past-participle of hardir (to make brave). As a color modifier, hardy implies a saturated-and-cold-resistant quality, the deep-rich color of Scandinavian-and-Russian boreal-forest-and-tundra outdoor-clothing. Sits at the bold-and-resilient end of the grid, parallel to tough and resilient.

Bergamot
modifier

Italian bergamotta, Calabrian-citrus-and-Earl-Grey-tea. As a color modifier, bergamot implies a Calabrian-citrus-and-Earl-Grey-tea quality, the visual register of Calabrian-bergamot-and-Earl-Grey-tea hand-Calabrian-citrus-and-Earl-Grey-tea Calabrian-bergamot-and-Earl-Grey-tea-and-Reggio-di-Calabria bergamot-and-Calabrian-citrus surfaces under Calabrian-bergamot-and-Earl-Grey-tea-and-Reggio-di-Calabria Reggio-di-Calabria-and-Twinings-Earl-Grey Calabrian-and-tea-light. Sits at the modifier-and-flavor end of the grid, parallel to zest and balm in usage.

Crimson
noun

From the Old Spanish cremesin, itself from the Arabic qirmiz — the kermes scale insect, dried and ground into a brilliant carmine dye prized in the medieval Mediterranean. For centuries the most expensive red on a draper's shelf, reserved for cardinals, kings, and the cloth that gave English the word crimson. Cooler than scarlet, deeper than rose; the color of pomegranate seeds and a serious occasion.

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.

#b51d22
Original
#504820
Protanopia
#75681a
Deuteranopia
#c80021
Tritanopia
#3e3e3e
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
6.64:1
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
3.16:1

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
##B51D22
Display P3
Display P3
color(display-p3 0.6517 0.1800 0.1655)
P3 has visible headroomOKLCH chroma 0.186

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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