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Dim Trafalgar

#133b96
Notes

Dim Trafalgar (#133B96) 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 (222°, 78%, 33%) 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
#133b96
RGB
rgb(19, 59, 150)
HSL
hsl(222, 78%, 33%)
HWB
hwb(222 7% 41%)
OKLCH
oklch(38.8% 0.156 263.1)
HSV
hsv(222, 87%, 59%)
LAB
lab(28.03% 23.11 -53.53)
LCH
lch(28.03% 58.31 293.35)
CMYK
cmyk(87%, 61%, 0%, 41%)

Etymology

Dim
adjective

Old English dim, dark, obscured. As a color modifier, dim implies reduced luminance without specific saturation effect — a dim red is a less luminous version of red rather than a less saturated one. Sits at the value-only end of the deep grid, closer to dark than to plush.

Trafalgar
noun

The Cape Trafalgar headland off southern Spain — site of the 1805 Battle of Trafalgar (Nelson's decisive naval victory over Napoleon's fleet). Trafalgar color refers to the deep blue of HMS Victory's preserved hull paint at Portsmouth: a saturated, slightly cool deep blue with the matte finish of period-correct marine paint.

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.

#133b96
Original
#004899
Protanopia
#003c94
Deuteranopia
#005262
Tritanopia
#393939
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
10.03:1
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
2.09:1

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