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Authoritative Dusk

#e16128
Notes

Authoritative Dusk (#E16128) is a true orange with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (18°, 76%, 52%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#e16128
RGB
rgb(225, 97, 40)
HSL
hsl(18, 76%, 52%)
HWB
hwb(18 16% 12%)
OKLCH
oklch(64.5% 0.174 41.8)
P3
color(display-p3 0.8213 0.4108 0.2233)
HSV
hsv(18, 82%, 88%)
LAB
lab(56.80% 47.02 54.39)
LCH
lch(56.80% 71.89 49.15)
CMYK
cmyk(0%, 57%, 82%, 12%)

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.

Dusk
noun

The transitional sky color in the half-hour after sunset — when the upper atmosphere still scatters reds and oranges off the horizon. Dusk as an orange color refers to the warm horizon glow at civil twilight: a soft, slightly muted deep orange-red with the optical complexity of forward-scattered light. Cooler than sunset, deeper than ember.

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.

#e16128
Original
#85761f
Protanopia
#a59323
Deuteranopia
#f74356
Tritanopia
#787878
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
3.53:1
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
5.94:1

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
##E16128
Display P3
Display P3
color(display-p3 0.8213 0.4108 0.2233)
P3 has subtle headroomOKLCH chroma 0.174

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.

Related Colors

Canvas