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Utilitarian Sunrise

#813e09
Notes

Utilitarian Sunrise (#813E09) is a deep orange 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 (27°, 87%, 27%) places it in the highly saturated band at a dark 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#813e09
RGB
rgb(129, 62, 9)
HSL
hsl(27, 87%, 27%)
HWB
hwb(27 4% 49%)
OKLCH
oklch(44.3% 0.109 51.5)
P3
color(display-p3 0.4721 0.2573 0.0981)
HSV
hsv(27, 93%, 51%)
LAB
lab(34.26% 25.74 41.44)
LCH
lch(34.26% 48.78 58.15)
CMYK
cmyk(0%, 52%, 93%, 49%)

Etymology

Utilitarian
adjective

Latin ūtilitās, usefulness — adjectival suffix -ian. As a color modifier, utilitarian implies a clear-and-purpose-fit-and-stripped-down quality, the crisp color of Shaker-and-Quaker anti-ornamental functional-and-no-frills craft tradition. Sits at the crisp-and-functional end of the grid, parallel to functional and workmanlike in usage.

Sunrise
noun

The atmospheric color at the moment the sun crosses the horizon at dawn — the same atmospheric optics as sunset but with cooler, slightly cleaner air at lower morning temperature. The color refers to the eastern horizon at sunrise on a clear summer morning: a saturated, slightly cool orange with the optical brightness of forward-scattered solar light. Cooler than sunset.

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.

#813e09
Original
#524700
Protanopia
#625607
Deuteranopia
#8e2f35
Tritanopia
#484848
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
8.00:1
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
2.63:1

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
##813E09
Display P3
Display P3
color(display-p3 0.4721 0.2573 0.0981)
P3 has subtle headroomOKLCH chroma 0.109

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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