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Pressing Kalmia

#37397d
Notes

Pressing Kalmia (#37397D) 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 (238°, 39%, 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#37397d
RGB
rgb(55, 57, 125)
HSL
hsl(238, 39%, 35%)
HWB
hwb(238 22% 51%)
OKLCH
oklch(38.2% 0.113 278.3)
P3
color(display-p3 0.2171 0.2233 0.4735)
HSV
hsv(238, 56%, 49%)
LAB
lab(27.35% 20.10 -39.04)
LCH
lch(27.35% 43.91 297.24)
CMYK
cmyk(56%, 54%, 0%, 51%)

Etymology

Pressing
adjective

Latin pressāre, to press repeatedly — present-participle of press. As a color modifier, pressing implies a deep-and-imposing-and-weighty quality where the hue exerts visual force on its substrate. Sits at the deep-and-weighty end of the grid, parallel to crushing with insistent register.

Kalmia
noun

North American mountain laurel (Kalmia latifolia) — an Ericaceae evergreen shrub native to Appalachia, with cup-shaped pink-and-violet pentahedral flowers in late spring. Kalmia color refers to a fully bloomed Kalmia latifolia corymb: a saturated, slightly cool deep blue-violet with the velvet finish of fused-petaled cup flowers around a tense ring of bow-loaded stamens. Named for Pehr Kalm, Linnaeus's Swedish-Finnish student-botanist.

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.

#37397d
Original
#14437f
Protanopia
#083e7c
Deuteranopia
#164855
Tritanopia
#3d3d3d
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
10.27:1
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
2.04:1

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
##37397D
Display P3
Display P3
color(display-p3 0.2171 0.2233 0.4735)
P3 has subtle headroomOKLCH chroma 0.113

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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