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Starched Manganese

#286584
Notes

Starched Manganese (#286584) 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 (200°, 53%, 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
#286584
RGB
rgb(40, 101, 132)
HSL
hsl(200, 53%, 34%)
HWB
hwb(200 16% 48%)
OKLCH
oklch(48.1% 0.080 234.1)
HSV
hsv(200, 70%, 52%)
LAB
lab(40.28% -9.01 -22.96)
LCH
lch(40.28% 24.66 248.57)
CMYK
cmyk(70%, 23%, 0%, 48%)

Etymology

Starched
adjective

Old English stercan, to stiffen — past-participle of starch. As a color modifier, starched implies a clear-and-stiff-and-formal quality, the crisp color of Edwardian-period formal-evening-shirt-and-collar starched-and-pressed dress-attire. Sits at the crisp-and-finished end of the grid, parallel to pressed and ironed in usage.

Manganese
noun

Manganese Blue — a synthetic barium-manganese-oxide pigment introduced in 1935 as a more lightfast alternative to cerulean blue. The color refers to fresh Manganese Blue paint in oil: a saturated, slightly cool bright blue with the matte finish of mineral pigment in linseed oil. Brighter than cerulean.

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.

#286584
Original
#566485
Protanopia
#495b84
Deuteranopia
#006d6f
Tritanopia
#5a5a5a
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).
AAon White
6.39:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.28:1

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