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Firm Merlot

#c51387
Notes

Firm Merlot (#C51387) is a true magenta with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (321°, 82%, 42%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#c51387
RGB
rgb(197, 19, 135)
HSL
hsl(321, 82%, 42%)
HWB
hwb(321 7% 23%)
OKLCH
oklch(55.0% 0.222 348.4)
HSV
hsv(321, 90%, 77%)
LAB
lab(44.36% 71.06 -17.05)
LCH
lch(44.36% 73.08 346.51)
CMYK
cmyk(0%, 90%, 31%, 23%)

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.

Merlot
noun

A Bordeaux red-wine grape — softer, fruitier, earlier-ripening than Cabernet Sauvignon, and the most-planted red grape in France. The color refers to a young Merlot from Saint-Émilion in a glass: a saturated, slightly cool deep red with the optical clarity of mid-tannin wine. Lighter than Cabernet, warmer than Pinot.

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.

#c51387
Original
#3a568a
Protanopia
#6e7383
Deuteranopia
#d40050
Tritanopia
#414141
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
5.50:1
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
3.82:1

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