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Bold Caryopteris

#1183ea
Notes

Bold Caryopteris (#1183EA) 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 (208°, 86%, 49%) 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
#1183ea
RGB
rgb(17, 131, 234)
HSL
hsl(208, 86%, 49%)
HWB
hwb(208 7% 8%)
OKLCH
oklch(60.8% 0.180 252.8)
HSV
hsv(208, 93%, 92%)
LAB
lab(54.33% 9.29 -59.89)
LCH
lch(54.33% 60.60 278.82)
CMYK
cmyk(93%, 44%, 0%, 8%)

Etymology

Bold
adjective

Old English beald, brave, courageous — a quality word that crossed over to color in the late seventeenth century. Bold describes a color that asserts itself: high saturation combined with mid lightness, where the hue presents itself without compromise. Sits at the center of the bold-bucket grid, near strong and rich. Closer to a presence word than a pigment word.

Caryopteris
noun

The genus Caryopterisblue mist shrub or bluebeard — Asian and Mediterranean shrubs whose late-summer blue flower clusters attract pollinators. The color refers to a fresh C. clandonensis 'Heavenly Blue' inflorescence: a saturated, slightly cool deep blue with the matte finish of small clustered florets.

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.

#1183ea
Original
#4b8cee
Protanopia
#197ae8
Deuteranopia
#009cab
Tritanopia
#727272
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
3.85:1
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
5.46:1

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