colors
Back to gallery

Assured Momoiro

#b51378
Notes

Assured Momoiro (#B51378) is a true magenta with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (323°, 81%, 39%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b51378
RGB
rgb(181, 19, 120)
HSL
hsl(323, 81%, 39%)
HWB
hwb(323 7% 29%)
OKLCH
oklch(51.6% 0.206 350.0)
P3
color(display-p3 0.6509 0.1586 0.4606)
HSV
hsv(323, 90%, 71%)
LAB
lab(40.65% 65.94 -13.73)
LCH
lch(40.65% 67.35 348.24)
CMYK
cmyk(0%, 90%, 34%, 29%)

Etymology

Assured
adjective

Old French aseürer, to give assurance — past-participle of assure. As a color modifier, assured implies a saturated-and-confident quality where the hue carries unwavering certainty about its own visual identity. Sits at the bold-and-confident end of the grid, parallel to certain and poised.

Momoiro
noun

Japanese 桃色, peach color — though traditionally referring to the warm pink of Prunus persica peach blossom, the modern color name momoiro extends to the deep-saturated magenta-pink of cultivated double-petaled peach varieties. Momoiro color refers to a fully bloomed Prunus persica var. plena double-flower: a saturated, slightly cool deep magenta with the velvet finish of densely overlapping ruffled peach-blossom petals.

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.

#b51378
Original
#374e7a
Protanopia
#666a75
Deuteranopia
#c30047
Tritanopia
#3d3d3d
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
6.31:1
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
3.33:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##B51378
Display P3
Display P3
color(display-p3 0.6509 0.1586 0.4606)
P3 has visible headroomOKLCH chroma 0.206

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

Canvas