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Submersed Rhodonite

#3d0c2c
Notes

Submersed Rhodonite (#3D0C2C) is a deep magenta with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (321°, 67%, 14%) places it in the balanced 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
#3d0c2c
RGB
rgb(61, 12, 44)
HSL
hsl(321, 67%, 14%)
HWB
hwb(321 5% 76%)
OKLCH
oklch(25.4% 0.086 344.8)
P3
color(display-p3 0.2181 0.0620 0.1680)
HSV
hsv(321, 80%, 24%)
LAB
lab(12.20% 27.34 -8.43)
LCH
lch(12.20% 28.61 342.87)
CMYK
cmyk(0%, 80%, 28%, 76%)

Etymology

Submersed
adjective

Latin sub-mersus, plunged-under — past-participle of submerse. As a color modifier, submersed implies the deep-saturated-and-cool-shifted quality of a hue viewed through a layer of water, like an underwater coral-reef object seen from a glass-bottomed boat. Sits at the deep-and-cool end of the grid, parallel to submerged with slightly-archaic register.

Rhodonite
noun

Manganese-silicate mineral with deep-pink-to-rose-red coloration, sourced from the Sverdlovsk deposits of the Russian Urals and the Vagner mine of Sweden. Rhodonite color refers to a polished Sverdlovsk rhodonite massive specimen: a saturated, slightly cool deep magenta with the matte finish of manganese-rich silicate. The Greek genus name rhódon (rose) refers to the characteristic deep-pink color of crystalline specimens.

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.

#3d0c2c
Original
#111b2d
Protanopia
#20232b
Deuteranopia
#420b1a
Tritanopia
#191919
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
16.31:1
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
1.29:1

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
##3D0C2C
Display P3
Display P3
color(display-p3 0.2181 0.0620 0.1680)
P3 has subtle headroomOKLCH chroma 0.086

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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