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Unassuming Anvil

#031231
Notes

Unassuming Anvil (#031231) is a deep azure 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 (220°, 88%, 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#031231
RGB
rgb(3, 18, 49)
HSL
hsl(220, 88%, 10%)
HWB
hwb(220 1% 81%)
OKLCH
oklch(19.1% 0.066 260.9)
P3
color(display-p3 0.0236 0.0691 0.1843)
HSV
hsv(220, 94%, 19%)
LAB
lab(6.08% 6.87 -22.28)
LCH
lch(6.08% 23.32 287.14)
CMYK
cmyk(94%, 63%, 0%, 81%)

Etymology

Unassuming
adjective

Latin assūmere, to take up — negative-prefix un- plus present-participle of assume. As a color modifier, unassuming implies a neutral-and-modest-and-not-claiming-attention quality where the hue carries the visual register of Mid-Century-Modern modest-and-quiet-and-unobtrusive interior-decoration surface. Sits at the neutral-and-stripped-down end of the grid, parallel to simple and modest in usage.

Anvil
noun

The iron block on which a smith hammers heated metal — pivotal tool of every blacksmith's shop and the central piece of equipment in any traditional forge. The color refers to a working anvil's polished face: a soft, slightly muted gray with the slightly oily metallic finish of a piece of iron used daily for decades. Cooler than iron (the unworked metal), warmer than steel.

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.

#031231
Original
#011632
Protanopia
#001130
Deuteranopia
#001a1f
Tritanopia
#111111
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
18.51:1
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
1.13:1

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
##031231
Display P3
Display P3
color(display-p3 0.0236 0.0691 0.1843)
Inside sRGBOKLCH chroma 0.066

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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