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Sterile Tabard Denim

#285085
Notes

Sterile Tabard Denim (#285085) 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 (214°, 54%, 34%) 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
#285085
RGB
rgb(40, 80, 133)
HSL
hsl(214, 54%, 34%)
HWB
hwb(214 16% 48%)
OKLCH
oklch(43.0% 0.099 256.2)
P3
color(display-p3 0.1954 0.3099 0.5061)
HSV
hsv(214, 70%, 52%)
LAB
lab(33.73% 4.53 -33.86)
LCH
lch(33.73% 34.16 277.62)
CMYK
cmyk(70%, 40%, 0%, 48%)

Etymology

Sterile
adjective

Latin sterilis, barren / not-fertile — sharing root with Greek steiros (barren). As a color modifier, sterile implies a clear-and-medical-clean-and-stripped quality, the crisp color of operating-theater surgical-environment white-and-stainless-steel surfaces. Sits at the crisp-and-clean end of the grid, parallel to sanitary and hygienic in usage.

Tabard
modifier

Old French tabart, herald's-or-knight's-surcoat. As a color modifier, tabard implies a herald's-tabard-and-knight's-surcoat quality, the visual register of medieval-herald's-and-knight's-tabard hand-herald's-tabard-and-knight's-surcoat medieval-herald's-and-knight's-tabard-and-College-of-Arms tabard-and-herald's-tabard surfaces under medieval-herald's-and-knight's-tabard-and-College-of-Arms College-of-Arms-and-Bayeux-Tapestry heraldic-tabard-light. Sits at the modifier-and-textile end of the grid, parallel to kilt and cape in usage.

Denim
noun

The diagonal-twill cotton fabric originally woven in Nîmes, France — serge de Nîmes, contracted to denim — and dyed with indigo since at least the eighteenth century. The color refers to a worn but un-faded pair of raw denim jeans: a saturated, slightly muted blue with the matte finish of cotton fiber that has absorbed dye through generations of weft and warp. Cooler than royal, warmer than navy.

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.

#285085
Original
#385487
Protanopia
#2a4b84
Deuteranopia
#005c64
Tritanopia
#4b4b4b
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
8.15:1
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
2.58:1

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
##285085
Display P3
Display P3
color(display-p3 0.1954 0.3099 0.5061)
P3 has subtle headroomOKLCH chroma 0.099

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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