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Calm Forge

#280520
Notes

Calm Forge (#280520) 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 (314°, 78%, 9%) places it in the highly saturated band at a dark 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
#280520
RGB
rgb(40, 5, 32)
HSL
hsl(314, 78%, 9%)
HWB
hwb(314 2% 84%)
OKLCH
oklch(19.7% 0.070 338.3)
P3
color(display-p3 0.1415 0.0281 0.1211)
HSV
hsv(314, 88%, 16%)
LAB
lab(6.00% 21.28 -9.28)
LCH
lch(6.00% 23.22 336.45)
CMYK
cmyk(0%, 87%, 20%, 84%)

Etymology

Calm
adjective

Latin calma, heat of the day — paradoxically drifted in Italian to mean stillness. Used as a color modifier since the seventeenth century for hues that read as untroubled. Calm blue, calm gray: moderate saturation combined with optical quiet. Sits at the crisp-bucket near quiet and steady.

Forge
noun

A blacksmith's hearth — coal or coke fire driven to working temperature by bellows, where iron is heated to forge welding range. Forge as a color refers to the dark gray-black of the forge floor and surrounding stonework: a deep, slightly muted dark gray with the slightly oily finish of carbon-and-iron-residue saturation. Warmer than basalt, drier than asphalt, with the craft weight of a workshop where iron is still beaten by hand.

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.

#280520
Original
#061021
Protanopia
#11151f
Deuteranopia
#2b0611
Tritanopia
#0e0e0e
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
18.54:1
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
1.13:1

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
##280520
Display P3
Display P3
color(display-p3 0.1415 0.0281 0.1211)
Inside sRGBOKLCH chroma 0.070

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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