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Authoritative Lāzhuward

#1f79d3
Notes

Authoritative Lāzhuward (#1F79D3) 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 (210°, 74%, 47%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1f79d3
RGB
rgb(31, 121, 211)
HSL
hsl(210, 74%, 47%)
HWB
hwb(210 12% 17%)
OKLCH
oklch(57.3% 0.160 253.0)
P3
color(display-p3 0.2354 0.4676 0.8020)
HSV
hsv(210, 85%, 83%)
LAB
lab(50.30% 7.40 -53.41)
LCH
lch(50.30% 53.92 277.88)
CMYK
cmyk(85%, 43%, 0%, 17%)

Etymology

Authoritative
adjective

Latin auctōritāt-, authority — adjectival suffix -ive. As a color modifier, authoritative implies a saturated-and-formal-imperative quality where the hue carries decisional weight and institutional credibility. Sits at the bold-and-authoritative end of the grid, parallel to commanding and magisterial in usage.

Lāzhuward
noun

The Persian word for lapis lazuli — the etymological source of every Western language's word for azure (Arabic al-lāzaward → Old French azur → English azure). Lāzhuward names the stone mined from the Sar-e-Sang valley of Afghanistan. The color refers to a polished Afghan lapis cabochon: a saturated, slightly cool deep blue with the matte finish of high-grade lapis.

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.

#1f79d3
Original
#4b80d7
Protanopia
#2870d1
Deuteranopia
#008f9c
Tritanopia
#6c6c6c
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
4.44:1
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
4.73:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##1F79D3
Display P3
Display P3
color(display-p3 0.2354 0.4676 0.8020)
P3 has subtle headroomOKLCH chroma 0.160

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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