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Mourning Strelitzia

#4d170b
Notes

Mourning Strelitzia (#4D170B) is a deep red 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 (11°, 75%, 17%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4d170b
RGB
rgb(77, 23, 11)
HSL
hsl(11, 75%, 17%)
HWB
hwb(11 4% 70%)
OKLCH
oklch(29.0% 0.084 34.0)
P3
color(display-p3 0.2774 0.1046 0.0604)
HSV
hsv(11, 86%, 30%)
LAB
lab(16.58% 24.77 20.52)
LCH
lch(16.58% 32.17 39.64)
CMYK
cmyk(0%, 70%, 86%, 70%)

Etymology

Mourning
adjective

Old English murnan, to grieve — present-participle of mourn, sharing root with Old Norse morna. As a color modifier, mourning implies the deep-and-funereal-and-formal-and-Victorian-mourning-period black-textile quality, the dark cool-formality of widow's-weeds-and-funeral-procession. Sits at the deep-and-funereal end of the grid, parallel to funereal and sepulchral.

Strelitzia
noun

Strelitzia reginae, the South African bird-of-paradise plant — named for Queen Charlotte of Mecklenburg-Strelitz, consort of George III. Pollinated by sunbirds. The color refers to the orange perianth of a S. reginae bloom: a saturated, slightly red orange with the satin finish of crested petal. Warmer than carrot, brighter than marigold.

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.

#4d170b
Original
#262109
Protanopia
#342d09
Deuteranopia
#550915
Tritanopia
#222222
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
14.55:1
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
1.44:1

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
##4D170B
Display P3
Display P3
color(display-p3 0.2774 0.1046 0.0604)
P3 has subtle headroomOKLCH chroma 0.084

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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