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Stately Kachi

#3955b2
Notes

Stately Kachi (#3955B2) is a true blue 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 (226°, 51%, 46%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#3955b2
RGB
rgb(57, 85, 178)
HSL
hsl(226, 51%, 46%)
HWB
hwb(226 22% 30%)
OKLCH
oklch(48.1% 0.151 267.7)
HSV
hsv(226, 68%, 70%)
LAB
lab(38.86% 20.93 -52.67)
LCH
lch(38.86% 56.68 291.67)
CMYK
cmyk(68%, 52%, 0%, 30%)

Etymology

Stately
adjective

An adjectival form of state, condition of dignity. Used as a color modifier since the seventeenth century for the deep saturated jewel tones of formal ceremony — the deep blue of a robes-of-state, the deep red of a state-banquet velvet. Sits in the bold-and-formal corner alongside imperial and royal, with slightly less institutional weight.

Kachi
noun

Japanese kachi-iro (褐色 or 勝色) — victory color, the deep blue-black favored by samurai for ceremonial dress because kachi phonetically equals victory. The deepest indigo dye, often applied through six or seven dye baths. The color refers to a kachi-dyed samurai jinbaori: a saturated, slightly cool very deep blue-black with the matte finish of multi-bath indigo silk.

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.

#3955b2
Original
#1a61b5
Protanopia
#0056b0
Deuteranopia
#006b7b
Tritanopia
#565656
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
6.74:1
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
3.12:1

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