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Stern Iconography

#331161
Notes

Stern Iconography (#331161) 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 (266°, 70%, 22%) 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
#331161
RGB
rgb(51, 17, 97)
HSL
hsl(266, 70%, 22%)
HWB
hwb(266 7% 62%)
OKLCH
oklch(28.6% 0.130 296.4)
P3
color(display-p3 0.1836 0.0746 0.3653)
HSV
hsv(266, 82%, 38%)
LAB
lab(15.32% 34.82 -40.52)
LCH
lch(15.32% 53.42 310.67)
CMYK
cmyk(47%, 82%, 0%, 62%)

Etymology

Stern
adjective

Old English styrne, strict / firm — sharing root with stark. As a color modifier, stern implies a deep-and-uncompromising quality, the dark formal-Calvinist plain-textile color of stripped-down Protestant-and-Quaker tradition. Sits at the deep-and-formal end of the grid, parallel to austere and severe in tone.

Iconography
noun

Greek eikonographia, image-writing — adopted into Western art history as the technical term for image-symbolism, particularly the deep-violet-and-gold Russian-school and Greek-school religious panels of Theotokos (Mother of God) icons. Iconography color refers to a Russian-school Theotokos of Vladimir icon's deep-blue robe field: a saturated, slightly cool deep blue-violet with the matte finish of egg-tempera-bound ultramarine over gesso.

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.

#331161
Original
#002763
Protanopia
#00255f
Deuteranopia
#262739
Tritanopia
#1e1e1e
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
15.07:1
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
1.39:1

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
##331161
Display P3
Display P3
color(display-p3 0.1836 0.0746 0.3653)
P3 has subtle headroomOKLCH chroma 0.130

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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