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Heroic Bremen

#3f7bf4
Notes

Heroic Bremen (#3F7BF4) is a true azure with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (220°, 89%, 60%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3f7bf4
RGB
rgb(63, 123, 244)
HSL
hsl(220, 89%, 60%)
HWB
hwb(220 25% 4%)
OKLCH
oklch(60.9% 0.192 262.4)
HSV
hsv(220, 74%, 96%)
LAB
lab(53.76% 21.60 -66.32)
LCH
lch(53.76% 69.75 288.04)
CMYK
cmyk(74%, 50%, 0%, 4%)

Etymology

Heroic
adjective

Latin hēroicus, of a hero — derived from Greek hērōs. As a color modifier, heroic implies a saturated-and-monumental-and-victorious quality, the deep-rich color of Wagner-and-Sibelius late-Romantic-era musical-and-painterly heroic-mode. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and valiant.

Bremen
noun

The Hanseatic League German city — and Bremen Blue, a copper-carbonate pigment manufactured in Bremen from the seventeenth century. Bremen Blue is intermediate in tone between Berlin Blue (Prussian) and Smalt. The color refers to fresh Bremen Blue pigment in oil: a saturated, slightly cool deep blue with the matte finish of mineral pigment.

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.

#3f7bf4
Original
#3189f8
Protanopia
#0079f2
Deuteranopia
#0098ac
Tritanopia
#777777
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).
AA Largeon White
3.92:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.35:1

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