colors
Back to gallery

Abundant Halo

#3f48bb
Notes

Abundant Halo (#3F48BB) is a true blue with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (236°, 50%, 49%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3f48bb
RGB
rgb(63, 72, 187)
HSL
hsl(236, 50%, 49%)
HWB
hwb(236 25% 27%)
OKLCH
oklch(46.6% 0.178 273.8)
HSV
hsv(236, 66%, 73%)
LAB
lab(36.51% 33.45 -61.77)
LCH
lch(36.51% 70.24 298.43)
CMYK
cmyk(66%, 61%, 0%, 27%)

Etymology

Abundant
adjective

Latin abundāre, to overflow — present-participle of abound. As a color modifier, abundant implies a saturated-and-plentiful quality where the hue carries surplus visual richness beyond minimum requirement. Sits at the bold-and-saturated end of the grid, parallel to plentiful and bountiful.

Halo
noun

Greek hálōs, threshing floor — adopted into Christian iconography as the circular disc behind the head of saintly figures, traditionally rendered in ultramarine lapis-and-gold-leaf in Greek-school and Russian-school icon panels. Halo color refers to a 14th-century Russian-school Theotokos icon's halo field: a saturated, slightly cool deep blue-violet with the matte finish of egg-tempera-bound ultramarine over gesso ground.

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.

#3f48bb
Original
#005cbf
Protanopia
#0050b9
Deuteranopia
#00657a
Tritanopia
#4e4e4e
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
7.35:1
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
2.86:1

Related Colors

Canvas