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Saturated Kihachijō

#1b82f5
Notes

Saturated Kihachijō (#1B82F5) is a true azure with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (212°, 92%, 53%) places it in the highly saturated band at a mid 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1b82f5
RGB
rgb(27, 130, 245)
HSL
hsl(212, 92%, 53%)
HWB
hwb(212 11% 4%)
OKLCH
oklch(61.5% 0.194 255.6)
HSV
hsv(212, 89%, 96%)
LAB
lab(54.85% 14.57 -65.16)
LCH
lch(54.85% 66.77 282.61)
CMYK
cmyk(89%, 47%, 0%, 4%)

Etymology

Saturated
adjective

From the Latin saturatus, past participle of saturare, to fill. A technical color term in modern usage — saturation is one of the three axes of HSL (with hue and lightness). As a modifier, saturated implies that the hue is at or near its maximum chromatic intensity. Sits at the bold-and-bright top of the grid.

Kihachijō
noun

The traditional indigo-dyed silk of Hachijō island in Tokyo's southern archipelago — produced from native kobaicha (yellow-brown) and aogarami (deep blue) dyes since at least the eighteenth century. Kihachijō-iro refers to the saturated medium blue of the silk: a saturated, slightly cool deep blue with the satin finish of plant-dyed island 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.

#1b82f5
Original
#3f8df9
Protanopia
#007bf3
Deuteranopia
#009eb0
Tritanopia
#747474
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).
AA Largeon White
3.78:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.56:1

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