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Tactful Skullcap

#688098
Notes

Tactful Skullcap (#688098) is a true 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 (210°, 19%, 50%) places it in the muted 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#688098
RGB
rgb(104, 128, 152)
HSL
hsl(210, 19%, 50%)
HWB
hwb(210 41% 40%)
OKLCH
oklch(59.0% 0.046 248.6)
P3
color(display-p3 0.4265 0.4992 0.5873)
HSV
hsv(210, 32%, 60%)
LAB
lab(52.56% -2.69 -15.70)
LCH
lch(52.56% 15.92 260.28)
CMYK
cmyk(32%, 16%, 0%, 40%)

Etymology

Tactful
adjective

Latin tāctus, touch — adjectival suffix -ful. As a color modifier, tactful implies a hushed-and-careful-and-considerate quality where the hue carries the visual register of careful-and-considerate-and-restrained color-decision design-element. Sits at the hushed-and-restrained end of the grid, parallel to discreet and diplomatic in usage.

Skullcap
noun

The genus Scutellariaskullcap, mint-family perennials whose helmet-shaped blue flowers and herbal medicinal properties have been used in Chinese, North American, and European traditional medicine. The color refers to a fresh S. baicalensis bloom: a saturated, slightly cool deep blue-violet with the matte finish of bilateral bracted 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.

#688098
Original
#778099
Protanopia
#717b98
Deuteranopia
#5a8588
Tritanopia
#7d7d7d
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).
AA Largeon White
4.09:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.13:1

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
##688098
Display P3
Display P3
color(display-p3 0.4265 0.4992 0.5873)
Inside sRGBOKLCH chroma 0.046

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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