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Engulfed Sinii

#1f2b94
Notes

Engulfed Sinii (#1F2B94) is a true blue 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 (234°, 65%, 35%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1f2b94
RGB
rgb(31, 43, 148)
HSL
hsl(234, 65%, 35%)
HWB
hwb(234 12% 42%)
OKLCH
oklch(36.0% 0.170 269.8)
P3
color(display-p3 0.1312 0.1673 0.5579)
HSV
hsv(234, 79%, 58%)
LAB
lab(24.18% 34.09 -58.59)
LCH
lch(24.18% 67.79 300.19)
CMYK
cmyk(79%, 71%, 0%, 42%)

Etymology

Engulfed
adjective

Old French en-golfe, into-the-gulf — past-participle of engulf. As a color modifier, engulfed implies the deep-overwhelming-and-cool quality where the hue has been completely surrounded by darkness, like a small boat overtaken by Atlantic-ocean swells. Sits at the deep-and-overwhelmed end of the grid, parallel to submerged and suffocating.

Sinii
noun

The Russian word for deep blue — distinct from goluboy (light/sky blue) in Russian color vocabulary, which (uniquely among major languages) names two separate basic blue categories. The color refers to a sinii-painted Russian Orthodox church dome: a saturated, slightly cool very deep blue with the matte finish of distemper-and-pigment paint.

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.

#1f2b94
Original
#003f97
Protanopia
#003492
Deuteranopia
#00485c
Tritanopia
#303030
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
11.47:1
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
1.83:1

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
##1F2B94
Display P3
Display P3
color(display-p3 0.1312 0.1673 0.5579)
P3 has subtle headroomOKLCH chroma 0.170

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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