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Certain Sangria

#b639a3
Notes

Certain Sangria (#B639A3) is a true violet 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 (309°, 52%, 47%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b639a3
RGB
rgb(182, 57, 163)
HSL
hsl(309, 52%, 47%)
HWB
hwb(309 22% 29%)
OKLCH
oklch(56.3% 0.198 334.6)
HSV
hsv(309, 69%, 71%)
LAB
lab(46.34% 61.47 -31.07)
LCH
lch(46.34% 68.88 333.18)
CMYK
cmyk(0%, 69%, 10%, 29%)

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.

Sangria
noun

Spanish for bleeding — the wine punch named for its color, not the other way around. The color is the deep red of Tempranillo or Garnacha aerated with citrus and fruit: a warm, slightly translucent red-violet that catches light through a glass jug. Less black than burgundy, warmer than wine, with the dusty rim of a long afternoon.

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

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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.

#b639a3
Original
#3862a6
Protanopia
#6374a0
Deuteranopia
#bf4369
Tritanopia
#5b5b5b
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
5.12:1
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
4.10:1

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