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Earnest Blank Crimson

#bb3527
Notes

Earnest Blank Crimson (#BB3527) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (6°, 65%, 44%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#bb3527
RGB
rgb(187, 53, 39)
HSL
hsl(6, 65%, 44%)
HWB
hwb(6 15% 27%)
OKLCH
oklch(53.0% 0.173 29.8)
P3
color(display-p3 0.6763 0.2501 0.1882)
HSV
hsv(6, 79%, 73%)
LAB
lab(43.15% 52.65 39.55)
LCH
lch(43.15% 65.85 36.91)
CMYK
cmyk(0%, 72%, 79%, 27%)

Etymology

Earnest
adjective

Old English eornost, seriousness, zeal. Used as a color modifier since the nineteenth century for hues that read as committed but unshowy — the working blues of denim, the deep greens of Quaker meetinghouses. Sits in the bold-and-quiet corner of the grid, slightly less luminous than resolute and slightly less institutional than imperial.

Blank
modifier

Old French blanc, white-or-empty. As a color modifier, blank implies an unmarked-and-empty-and-pristine quality, the visual register of fresh-page-and-primed-canvas-blank hand-unmarked-and-empty-and-pristine fresh-page-and-primed-canvas-and-white-room blanked-and-unmarked-and-empty-and-pristine surfaces under fresh-page-and-primed-canvas-and-white-room studio-and-stationer-and-gallery untouched-light. Sits at the modifier-and-mood end of the grid, parallel to void and hollow in usage.

Crimson
noun

From the Old Spanish cremesin, itself from the Arabic qirmiz — the kermes scale insect, dried and ground into a brilliant carmine dye prized in the medieval Mediterranean. For centuries the most expensive red on a draper's shelf, reserved for cardinals, kings, and the cloth that gave English the word crimson. Cooler than scarlet, deeper than rose; the color of pomegranate seeds and a serious occasion.

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.

#bb3527
Original
#5d5324
Protanopia
#7e7121
Deuteranopia
#ce0033
Tritanopia
#505050
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
5.75:1
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
3.65:1

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
##BB3527
Display P3
Display P3
color(display-p3 0.6763 0.2501 0.1882)
P3 has subtle headroomOKLCH chroma 0.173

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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