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Plumbed Kohbai

#651d52
Notes

Plumbed Kohbai (#651D52) is a deep magenta 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 (316°, 55%, 25%) 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
#651d52
RGB
rgb(101, 29, 82)
HSL
hsl(316, 55%, 25%)
HWB
hwb(316 11% 60%)
OKLCH
oklch(36.5% 0.121 340.0)
HSV
hsv(316, 71%, 40%)
LAB
lab(24.50% 38.26 -15.37)
LCH
lch(24.50% 41.23 338.11)
CMYK
cmyk(0%, 71%, 19%, 60%)

Etymology

Plumbed
adjective

Latin plumbum, lead — past-participle of plumb (to measure depth with a lead-weighted line). As a color modifier, plumbed implies a deep-and-cool quality measured-to-its-fullest-depth, the dark cool-gray of lead-and-pewter metallic surfaces. Sits at the deep-and-cool end of the grid, parallel to fathomless with metallic register.

Kohbai
noun

Japanese 紅梅, red plum-blossom (Prunus mume var. kohbai) — the deep-pink-flowered cultivar of Japanese plum, a traditional New Year color in Heian-period kasane no irome layered silks. Kohbai color refers to a fully bloomed kohbai plum branch in February: a saturated, slightly cool deep magenta with the velvet finish of fresh plum-blossom petals against bare branches in early-spring snow.

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.

#651d52
Original
#213354
Protanopia
#383e50
Deuteranopia
#6b1f34
Tritanopia
#303030
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
11.35:1
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
1.85:1

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