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Booming Carmesí

#dd2b17
Notes

Booming Carmesí (#DD2B17) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (6°, 81%, 48%) 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
#dd2b17
RGB
rgb(221, 43, 23)
HSL
hsl(6, 81%, 48%)
HWB
hwb(6 9% 13%)
OKLCH
oklch(58.1% 0.215 30.5)
HSV
hsv(6, 90%, 87%)
LAB
lab(48.47% 65.70 54.31)
LCH
lch(48.47% 85.24 39.58)
CMYK
cmyk(0%, 81%, 90%, 13%)

Etymology

Booming
adjective

Imitative-onomatopoeic origin — present-participle of boom, sharing root with Dutch bommen. As a color modifier, booming implies a saturated-and-loud-and-confident quality where the hue announces itself with full visual amplitude. Sits at the bold-and-resonant end of the grid, parallel to resounding and thunderous.

Carmesí
noun

The Spanish word for crimson — borrowed via Arabic qirmiz (the kermes scale insect) and used in the deep red textiles of medieval Castilian and Valencian silk. The color refers to a carmesí-dyed Castilian silk: a saturated, slightly cool deep red with the satin finish of plant-and-insect dye. The Spanish cousin of crimson, slightly more formal in register.

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.

#dd2b17
Original
#665a10
Protanopia
#918103
Deuteranopia
#f4002a
Tritanopia
#4f4f4f
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).
AAon White
4.74:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.43:1

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