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Cool Amber

#7d3420
Notes

Cool Amber (#7D3420) is a deep red with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (13°, 59%, 31%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#7d3420
RGB
rgb(125, 52, 32)
HSL
hsl(13, 59%, 31%)
HWB
hwb(13 13% 51%)
OKLCH
oklch(42.2% 0.107 36.2)
P3
color(display-p3 0.4550 0.2209 0.1480)
HSV
hsv(13, 74%, 49%)
LAB
lab(31.63% 30.33 27.82)
LCH
lch(31.63% 41.16 42.53)
CMYK
cmyk(0%, 58%, 74%, 51%)

Etymology

Cool
adjective

Old English cōl, of low temperature — used as a color modifier as the complement to warm. Cool gray, cool blue: the optical impression of a slight blue-green shift, even within otherwise warm or neutral hues. Sits across the crisp, hushed, pale, and neutral buckets.

Amber
noun

Fossilized tree resin — pine and conifer sap that flowed sixty million years ago and slowly polymerized in Baltic and Dominican forests. The color refers to a polished cabochon of true Baltic amber: a warm, slightly translucent gold-orange with the depth of resin and the occasional inclusion of trapped insects. Softer than honey, deeper than topaz, with the mineral light of a fossil that still feels organic.

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.

#7d3420
Original
#48401e
Protanopia
#5a501e
Deuteranopia
#8a2430
Tritanopia
#424242
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
8.81:1
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
2.38:1

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
##7D3420
Display P3
Display P3
color(display-p3 0.4550 0.2209 0.1480)
P3 has subtle headroomOKLCH chroma 0.107

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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