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Jewelredloud

Blazing Crimson Blitz

#b30026
Notes

Blazing Crimson Blitz (#B30026) 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 (347°, 100%, 35%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b30026
RGB
rgb(179, 0, 38)
HSL
hsl(347, 100%, 35%)
HWB
hwb(347 0% 30%)
OKLCH
oklch(48.4% 0.195 22.1)
HSV
hsv(347, 100%, 70%)
LAB
lab(37.35% 62.11 33.56)
LCH
lch(37.35% 70.60 28.38)
CMYK
cmyk(0%, 100%, 79%, 30%)

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.

#b30026
Original
#484125
Protanopia
#70641f
Deuteranopia
#c60016
Tritanopia
#292929
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
7.13:1
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
2.94:1

Related Colors

Canvas