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Brooding Cattleya

#4c1c7d
Notes

Brooding Cattleya (#4C1C7D) is a deep indigo 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 (270°, 63%, 30%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4c1c7d
RGB
rgb(76, 28, 125)
HSL
hsl(270, 63%, 30%)
HWB
hwb(270 11% 51%)
OKLCH
oklch(35.6% 0.153 301.4)
P3
color(display-p3 0.2751 0.1212 0.4717)
HSV
hsv(270, 78%, 49%)
LAB
lab(23.16% 41.74 -45.73)
LCH
lch(23.16% 61.92 312.39)
CMYK
cmyk(39%, 78%, 0%, 51%)

Etymology

Brooding
adjective

The adjectival use of brood in the sense of to dwell on — a gerund-as-modifier that describes mood more than reflectance. Used as a color word principally in art criticism since the late nineteenth century: brooding sky, brooding portrait. In the engine's adjective grid, brooding sits in the dark-and-quiet end where the hue is present but reads as withholding rather than presenting itself.

Cattleya
noun

South American corsage orchid (Cattleya labiata) — a Brazilian-native epiphytic orchid genus cultivated worldwide for its large frilled-lipped deep-violet flowers, the standard ornamental orchid of mid-20th-century corsage culture. Cattleya color refers to a fully bloomed Cattleya labiata labellum-and-petal: a saturated, slightly cool deep violet with the velvet finish of fresh frilled labellum. Named for William Cattley, an English orchid patron.

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.

#4c1c7d
Original
#003780
Protanopia
#00377b
Deuteranopia
#41354b
Tritanopia
#2d2d2d
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
11.87:1
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
1.77:1

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
##4C1C7D
Display P3
Display P3
color(display-p3 0.2751 0.1212 0.4717)
P3 has subtle headroomOKLCH chroma 0.153

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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