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Confident Zànglán

#3674dd
Notes

Confident Zànglán (#3674DD) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (218°, 71%, 54%) 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
#3674dd
RGB
rgb(54, 116, 221)
HSL
hsl(218, 71%, 54%)
HWB
hwb(218 21% 13%)
OKLCH
oklch(57.5% 0.173 260.3)
HSV
hsv(218, 76%, 87%)
LAB
lab(50.09% 16.51 -59.38)
LCH
lch(50.09% 61.63 285.54)
CMYK
cmyk(76%, 48%, 0%, 13%)

Etymology

Confident
adjective

A late-Latin participle, confidens, trusting — borrowed into English in the sixteenth century. As a color modifier, confident implies saturation combined with poise: a confident red doesn't try too hard, just sits at the level of its hue without overreaching. Sits in the bold-bucket center near bold and resolute.

Zànglán
noun

Chinese zànglán (藏蓝) — Tibetan blue or storage blue, the saturated deep blue of Tibetan-Buddhist monastery wall paint and Tibetan textile dye. The color refers to a zànglán-painted Lhasa monastery interior: a saturated, slightly cool deep blue with the matte finish of mineral-pigment-on-plaster.

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.

#3674dd
Original
#397fe1
Protanopia
#0070db
Deuteranopia
#008d9e
Tritanopia
#6e6e6e
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
4.47:1
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
4.70:1

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