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Saturnine Goa

#630a47
Notes

Saturnine Goa (#630A47) 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 (319°, 82%, 21%) 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
#630a47
RGB
rgb(99, 10, 71)
HSL
hsl(319, 82%, 21%)
HWB
hwb(319 4% 61%)
OKLCH
oklch(33.9% 0.134 345.1)
P3
color(display-p3 0.3545 0.0791 0.2711)
HSV
hsv(319, 90%, 39%)
LAB
lab(21.30% 42.54 -12.90)
LCH
lch(21.30% 44.45 343.13)
CMYK
cmyk(0%, 90%, 28%, 61%)

Etymology

Saturnine
adjective

Latin Sāturnīnus, of Saturn — referring to the gloomy temperament associated with the planet Saturn in classical-and-Renaissance astrology. As a color modifier, saturnine implies a deep-and-cool-and-gloomy quality, the dark cool-gray of Hellebore-and-Lead alchemical-melancholic associations. Sits at the deep-and-cool end of the grid, parallel to sullen and gloomy.

Goa
noun

Indian Konkan-coast state — once a Portuguese colonial outpost (1510–1961) whose churches, fish-market stalls, and saris carry the gulābi deep-magenta of bandhani tie-dyed cotton. Goa color refers to a bandhani-tied magenta sari at a Goa fish-market stall: a saturated, slightly cool deep magenta with the matte finish of natural-dye-and-resist-tied cotton. Warmer than Bengali neel.

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.

#630a47
Original
#182a48
Protanopia
#343845
Deuteranopia
#6a0829
Tritanopia
#212121
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
12.61:1
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
1.66:1

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
##630A47
Display P3
Display P3
color(display-p3 0.3545 0.0791 0.2711)
P3 has subtle headroomOKLCH chroma 0.134

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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