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Forceful Earth

#234bb7
Notes

Forceful Earth (#234BB7) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (224°, 68%, 43%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#234bb7
RGB
rgb(35, 75, 183)
HSL
hsl(224, 68%, 43%)
HWB
hwb(224 14% 28%)
OKLCH
oklch(45.5% 0.177 264.7)
HSV
hsv(224, 81%, 72%)
LAB
lab(35.61% 26.65 -60.95)
LCH
lch(35.61% 66.52 293.61)
CMYK
cmyk(81%, 59%, 0%, 28%)

Etymology

Forceful
adjective

Old French force, strength — adjectival suffix -ful. As a color modifier, forceful implies a saturated-and-vigorous quality where the hue exerts visual force on its substrate. Sits at the bold-and-saturated end of the grid, parallel to mighty and commanding in tone.

Earth
noun

The third planet from the Sun — and the saturated deep blue of Earth seen from space, the pale blue dot of Carl Sagan's Voyager-1 image. Earth color refers to the average reflectance of Earth seen from low orbit: a saturated, slightly cool deep blue with the optical complexity of ocean-and-cloud-and-atmosphere reflectance.

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.

#234bb7
Original
#005bbb
Protanopia
#004db5
Deuteranopia
#006679
Tritanopia
#4a4a4a
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
7.60:1
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
2.76:1

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