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Bold Merlot

#d31f5c
Notes

Bold Merlot (#D31F5C) 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 (340°, 74%, 47%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#d31f5c
RGB
rgb(211, 31, 92)
HSL
hsl(340, 74%, 47%)
HWB
hwb(340 12% 17%)
OKLCH
oklch(56.6% 0.211 8.9)
P3
color(display-p3 0.7600 0.2056 0.3649)
HSV
hsv(340, 85%, 83%)
LAB
lab(46.45% 68.53 12.88)
LCH
lch(46.45% 69.73 10.65)
CMYK
cmyk(0%, 85%, 56%, 17%)

Etymology

Bold
adjective

Old English beald, brave, courageous — a quality word that crossed over to color in the late seventeenth century. Bold describes a color that asserts itself: high saturation combined with mid lightness, where the hue presents itself without compromise. Sits at the center of the bold-bucket grid, near strong and rich. Closer to a presence word than a pigment word.

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.

#d31f5c
Original
#55575d
Protanopia
#837b58
Deuteranopia
#e7003c
Tritanopia
#4a4a4a
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
5.10:1
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
4.12:1

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
##D31F5C
Display P3
Display P3
color(display-p3 0.7600 0.2056 0.3649)
P3 has visible headroomOKLCH chroma 0.211

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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