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Suited Stalevoy

#1c042f
Notes

Suited Stalevoy (#1C042F) is a deep indigo with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (273°, 84%, 10%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1c042f
RGB
rgb(28, 4, 47)
HSL
hsl(273, 84%, 10%)
HWB
hwb(273 2% 82%)
OKLCH
oklch(18.6% 0.082 305.6)
HSV
hsv(273, 91%, 18%)
LAB
lab(4.87% 20.89 -22.62)
LCH
lch(4.87% 30.78 312.72)
CMYK
cmyk(40%, 91%, 0%, 82%)

Etymology

Suited
adjective

Old French suite, following — past-participle of suit. As a color modifier, suited implies a neutral-and-coordinated-and-formal quality, the neutral color of Edwardian-period full-suit-and-formal-attire coordinated-and-formal-tailored gentleman's-three-piece dress-attire finish. Sits at the neutral-and-traditional end of the grid, parallel to tailored and fitted in usage.

Stalevoy
noun

Russian стальной, steel-gray — adopted into Russian color terminology for the deep-cool-gray of Magnitogorsk and Nizhny Tagil Soviet-era steelworks ingots. Stalevoy color refers to a Magnitogorsk-Steelworks-cast steel ingot face in raking light: a dark cool-gray with the metallic finish of multi-element Magnitogorsk-formula steel-cast on hand-poured Soviet-foundry ingot mold.

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.

#1c042f
Original
#001030
Protanopia
#00112e
Deuteranopia
#180e19
Tritanopia
#0c0c0c
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
18.96:1
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
1.11:1

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