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Firm Pulsar Hibiscus

#bc3c3c
Notes

Firm Pulsar Hibiscus (#BC3C3C) is a true red with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (0°, 52%, 49%) 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
#bc3c3c
RGB
rgb(188, 60, 60)
HSL
hsl(0, 52%, 49%)
HWB
hwb(0 24% 26%)
OKLCH
oklch(54.2% 0.164 24.5)
P3
color(display-p3 0.6812 0.2726 0.2553)
HSV
hsv(0, 68%, 74%)
LAB
lab(44.59% 51.18 29.20)
LCH
lch(44.59% 58.92 29.70)
CMYK
cmyk(0%, 68%, 68%, 26%)

Etymology

Firm
adjective

Latin firmus, strong / stable — sharing root with English farm (originally a fixed-yearly-rental). As a color modifier, firm implies a saturated-and-resolute quality where the hue holds its visual position without wavering. Sits at the bold-and-firm end of the grid, parallel to steadfast and unwavering in usage.

Pulsar
modifier

Coined 1968, pulsating-radio-star. As a color modifier, pulsar implies a rotating-neutron-star-and-pulse-beam quality, the visual register of Crab-pulsar-and-Vela-pulsar hand-rotating-neutron-star-and-pulse-beam Crab-pulsar-and-Vela-and-PSR-1919 pulsar-and-rotating-neutron-star-and-pulse-beam surfaces under Crab-pulsar-and-Vela-and-PSR-1919 millisecond-and-radio-and-X-ray neutron-star-light. Sits at the modifier-and-cosmic end of the grid, parallel to nova and mira in usage.

Hibiscus
noun

Hibiscus rosa-sinensis — the showy mallow of Pacific gardens, the Hawaiian state flower, the source of the deep red sorrel tea sold across West Africa as bissap. The color refers to a fully open hibiscus petal at midday: a hot, slightly magenta red with the velvet texture of a single-day bloom. By evening the same flower has wilted; by morning it's gone.

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.

#bc3c3c
Original
#5f583b
Protanopia
#7f7438
Deuteranopia
#ce183d
Tritanopia
#575757
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
5.45:1
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
3.85:1

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
##BC3C3C
Display P3
Display P3
color(display-p3 0.6812 0.2726 0.2553)
P3 has subtle headroomOKLCH chroma 0.164

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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