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Confident Foxglove

#37369d
Notes

Confident Foxglove (#37369D) is a true blue 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 (241°, 49%, 41%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#37369d
RGB
rgb(55, 54, 157)
HSL
hsl(241, 49%, 41%)
HWB
hwb(241 21% 38%)
OKLCH
oklch(40.3% 0.162 276.7)
HSV
hsv(241, 66%, 62%)
LAB
lab(29.12% 33.24 -55.95)
LCH
lch(29.12% 65.08 300.72)
CMYK
cmyk(65%, 66%, 0%, 38%)

Etymology

Confident
adjective

A late-Latin participle, confidens, trusting — borrowed into English in the sixteenth century. As a color modifier, confident implies saturation combined with poise: a confident red doesn't try too hard, just sits at the level of its hue without overreaching. Sits in the bold-bucket center near bold and resolute.

Foxglove
noun

Digitalis purpurea, the European biennial whose tall spires of tubular flowers contain digitoxin, the heart-medicine glycoside that's still in clinical use. The color refers to a fresh deep-purple foxglove flower interior: a saturated, slightly red-shifted deep purple with the matte finish of a tubular bee-pollinated bloom. Cooler than mauve, warmer than indigo, with the medicinal weight of a plant lethal in raw form and lifesaving in measured dose.

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

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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.

#37369d
Original
#0049a0
Protanopia
#00409b
Deuteranopia
#005064
Tritanopia
#3e3e3e
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
9.65:1
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
2.18:1

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