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Fresh Carbuncle

#63445b
Notes

Fresh Carbuncle (#63445B) is a deep magenta 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 (315°, 19%, 33%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#63445b
RGB
rgb(99, 68, 91)
HSL
hsl(315, 19%, 33%)
HWB
hwb(315 27% 61%)
OKLCH
oklch(42.9% 0.055 336.2)
P3
color(display-p3 0.3701 0.2718 0.3518)
HSV
hsv(315, 31%, 39%)
LAB
lab(33.01% 17.49 -8.28)
LCH
lch(33.01% 19.35 334.66)
CMYK
cmyk(0%, 31%, 8%, 61%)

Etymology

Fresh
adjective

Old English fersc, unsalted / not stale — sharing root with German frisch. As a color modifier, fresh implies a clear-and-newly-applied quality where the hue carries the just-emerged visual register. Sits at the crisp-and-clean end of the grid, parallel to crisp and new in usage.

Carbuncle
noun

Latin carbunculus, little glowing coal — the medieval European name for any deep-red gemstone (ruby, garnet, spinel) showing a luminous deep-pink-to-magenta inner glow. Carbuncle color refers to a polished medieval almandine garnet cabochon under candlelight: a saturated, slightly cool deep magenta with the glassy finish of iron-rich silicate gem-crystal. The word also gives English carbon, both from Latin carbo (charcoal).

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.

#63445b
Original
#444b5c
Protanopia
#4c4f5a
Deuteranopia
#66454c
Tritanopia
#4c4c4c
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).
AAAon White
8.37:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.51:1

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
##63445B
Display P3
Display P3
color(display-p3 0.3701 0.2718 0.3518)
Inside sRGBOKLCH chroma 0.055

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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