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Certain Jamun

#8b1f70
Notes

Certain Jamun (#8B1F70) is a deep magenta 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 (315°, 64%, 33%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#8b1f70
RGB
rgb(139, 31, 112)
HSL
hsl(315, 64%, 33%)
HWB
hwb(315 12% 45%)
OKLCH
oklch(44.6% 0.166 340.2)
P3
color(display-p3 0.5008 0.1593 0.4275)
HSV
hsv(315, 78%, 55%)
LAB
lab(33.22% 52.29 -20.81)
LCH
lch(33.22% 56.27 338.30)
CMYK
cmyk(0%, 78%, 19%, 45%)

Etymology

Certain
adjective

Latin certus, fixed / sure — sharing root with English concern and certify. As a color modifier, certain implies a saturated-and-unambiguous quality where the hue declares its character without hesitation. Sits at the bold-and-confident end of the grid, parallel to assured and decisive in usage.

Jamun
noun

Indian Syzygium cumini — a Myrtaceae tropical tree native to the Indian subcontinent, whose deep-magenta-to-purple drupes are eaten fresh and used in Hindu Ayurveda for diabetes management. Jamun color refers to a freshly picked Syzygium cumini drupe-cluster in a Mumbai roadside vendor's basket: a saturated, slightly cool deep magenta with the matte finish of anthocyanin-rich tropical-tree drupe against pale-green leafy backdrop.

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.

#8b1f70
Original
#274372
Protanopia
#4b546e
Deuteranopia
#942345
Tritanopia
#3c3c3c
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
8.31:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.53:1

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
##8B1F70
Display P3
Display P3
color(display-p3 0.5008 0.1593 0.4275)
P3 has subtle headroomOKLCH chroma 0.166

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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