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Spotless Anchusa

#255871
Notes

Spotless Anchusa (#255871) is a deep azure 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 (200°, 51%, 29%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#255871
RGB
rgb(37, 88, 113)
HSL
hsl(200, 51%, 29%)
HWB
hwb(200 15% 56%)
OKLCH
oklch(43.7% 0.068 232.6)
P3
color(display-p3 0.1982 0.3406 0.4337)
HSV
hsv(200, 67%, 44%)
LAB
lab(35.13% -8.52 -19.31)
LCH
lch(35.13% 21.10 246.19)
CMYK
cmyk(67%, 22%, 0%, 56%)

Etymology

Spotless
adjective

Old English spott (spot) plus suffix -less. As a color modifier, spotless implies a clear-and-unmarked quality where the hue carries no contaminating speck or stain. Sits at the crisp-and-clean end of the grid, parallel to pristine and unblemished in usage.

Anchusa
noun

The genus Anchusa — Mediterranean borage-family perennials with saturated deep-blue flower spikes used in Renaissance European herbal medicine. The color refers to a fresh A. azurea (Italian bugloss) flower spike: a saturated, slightly cool deep blue with the matte finish of small five-petaled forget-me-not-style flowers.

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.

#255871
Original
#4c5772
Protanopia
#414f71
Deuteranopia
#005f60
Tritanopia
#4f4f4f
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
7.74:1
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
2.71:1

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
##255871
Display P3
Display P3
color(display-p3 0.1982 0.3406 0.4337)
Inside sRGBOKLCH chroma 0.068

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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