colors
Back to gallery

Bespoke Citadel

#11063b
Notes

Bespoke Citadel (#11063B) 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 (252°, 82%, 13%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#11063b
RGB
rgb(17, 6, 59)
HSL
hsl(252, 82%, 13%)
HWB
hwb(252 2% 77%)
OKLCH
oklch(18.9% 0.094 282.5)
P3
color(display-p3 0.0604 0.0252 0.2211)
HSV
hsv(252, 90%, 23%)
LAB
lab(5.10% 21.63 -31.13)
LCH
lch(5.10% 37.91 304.79)
CMYK
cmyk(71%, 90%, 0%, 77%)

Etymology

Bespoke
adjective

Old English be- (about) plus sprecan (to speak) — past-participle of bespeak. As a color modifier, bespoke implies a neutral-and-custom-made-and-tailored quality, the neutral color of Savile-Row-tailoring custom-made-and-hand-tailored gentleman's-suit-and-shirtmaking craft-finish. Sits at the neutral-and-traditional end of the grid, parallel to custom and tailored in usage.

Citadel
noun

Old French citadelle, little city — the deep-cool-gray fortified-stone keep of medieval-and-Renaissance European fortress architecture, particularly the Carcassonne, Edinburgh, and Acre citadels. Citadel color refers to an Edinburgh-Castle outer-wall face in November-overcast light: a dark cool-gray with the matte finish of Carboniferous-Sandstone-and-Volcanic-Plug hand-quarried fortification stone.

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.

#11063b
Original
#00133c
Protanopia
#000f3a
Deuteranopia
#001520
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
18.87:1
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

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
##11063B
Display P3
Display P3
color(display-p3 0.0604 0.0252 0.2211)
P3 has subtle headroomOKLCH chroma 0.094

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.

Related Colors

Canvas