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Inviting Pulmonaria

#2b4b6d
Notes

Inviting Pulmonaria (#2B4B6D) is a deep azure with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (211°, 43%, 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2b4b6d
RGB
rgb(43, 75, 109)
HSL
hsl(211, 43%, 30%)
HWB
hwb(211 17% 57%)
OKLCH
oklch(40.5% 0.069 251.2)
P3
color(display-p3 0.1976 0.2909 0.4165)
HSV
hsv(211, 61%, 43%)
LAB
lab(30.99% -0.52 -23.22)
LCH
lch(30.99% 23.22 268.72)
CMYK
cmyk(61%, 31%, 0%, 57%)

Etymology

Inviting
adjective

Latin invītāre, to invite — present-participle of invite. As a color modifier, inviting implies a clear-and-cordial-and-encouraging quality where the hue carries the visual register of warm-inviting-and-encouraging entrance-foyer color tone. Sits at the crisp-and-cheerful end of the grid, parallel to welcoming and hospitable in usage.

Pulmonaria
noun

The genus Pulmonarialungwort, the European shade-garden perennial whose flowers open pink and turn blue as they age (changing pH causes the anthocyanin shift). The color refers to a fresh P. saccharata flower in its blue post-pollination phase: a saturated, slightly cool deep blue with the satin finish of bell-shaped flower.

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.

#2b4b6d
Original
#3d4d6e
Protanopia
#34466c
Deuteranopia
#005357
Tritanopia
#474747
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
9.01:1
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
2.33:1

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
##2B4B6D
Display P3
Display P3
color(display-p3 0.1976 0.2909 0.4165)
Inside sRGBOKLCH chroma 0.069

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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