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Firm Hashita

#b55aea
Notes

Firm Hashita (#B55AEA) is a true indigo with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (278°, 77%, 64%) places it in the highly saturated band at a mid 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b55aea
RGB
rgb(181, 90, 234)
HSL
hsl(278, 77%, 64%)
HWB
hwb(278 35% 8%)
OKLCH
oklch(63.9% 0.216 310.9)
HSV
hsv(278, 62%, 92%)
LAB
lab(55.15% 60.23 -58.02)
LCH
lch(55.15% 83.63 316.07)
CMYK
cmyk(23%, 62%, 0%, 8%)

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.

Hashita
noun

Japanese 半色, half-color — the technical Heian-court term for any kasane layer combination yielding a specific hue rather than a primary one. Hashita color refers to a Heian-period hashita-iro combination of a single-bath gromwell-and-indigo: a saturated, slightly cool deep violet with the silk luster of layered single-bath natural dye on hand-spun silk crepe.

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

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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.

#b55aea
Original
#1880ee
Protanopia
#4b86e7
Deuteranopia
#ae769a
Tritanopia
#787878
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).
AA Largeon White
3.74:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.62:1

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