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Authoritative Zephyr Brick

#973022
Notes

Authoritative Zephyr Brick (#973022) is a true red with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (7°, 63%, 36%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#973022
RGB
rgb(151, 48, 34)
HSL
hsl(7, 63%, 36%)
HWB
hwb(7 13% 41%)
OKLCH
oklch(46.1% 0.140 30.8)
P3
color(display-p3 0.5466 0.2176 0.1600)
HSV
hsv(7, 77%, 59%)
LAB
lab(35.62% 42.26 32.37)
LCH
lch(35.62% 53.23 37.46)
CMYK
cmyk(0%, 68%, 77%, 41%)

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.

Zephyr
modifier

Greek ζέφυρος, gentle-west-wind. As a color modifier, zephyr implies a gentle-west-wind-and-Mediterranean-breeze quality, the visual register of Greek-Zephyrus-and-Botticelli-Primavera-zephyr hand-gentle-west-wind-and-Mediterranean-breeze Greek-Zephyrus-and-Botticelli-Primavera-zephyr-and-Hellenic-Anemoi zephyr-and-gentle-west-wind surfaces under Greek-Zephyrus-and-Botticelli-Primavera-zephyr-and-Hellenic-Anemoi Hellenic-Mediterranean-and-Florentine-spring gentle-Mediterranean-breeze-light. Sits at the modifier-and-weather end of the grid, parallel to gust and mistral in usage.

Brick
noun

Fired clay, mineral red. The color refers to common building brick — iron-rich earthenware kilned to the specific dusky red-orange of a Victorian terrace, a Roman aqueduct, an adobe wall in New Mexico. Less saturated than ruby, warmer than burgundy, with a chalky cast that reads as architectural rather than decorative.

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.

#973022
Original
#4d4520
Protanopia
#675c1e
Deuteranopia
#a6112d
Tritanopia
#454545
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).
AAAon White
7.60:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.76:1

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
##973022
Display P3
Display P3
color(display-p3 0.5466 0.2176 0.1600)
P3 has subtle headroomOKLCH chroma 0.140

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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