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Diminished Anchusa

#577c8d
Notes

Diminished Anchusa (#577C8D) is a true cyan 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 (199°, 24%, 45%) places it in the muted 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#577c8d
RGB
rgb(87, 124, 141)
HSL
hsl(199, 24%, 45%)
HWB
hwb(199 34% 45%)
OKLCH
oklch(56.5% 0.049 228.2)
P3
color(display-p3 0.3721 0.4823 0.5456)
HSV
hsv(199, 38%, 55%)
LAB
lab(49.93% -8.44 -13.35)
LCH
lch(49.93% 15.80 237.69)
CMYK
cmyk(38%, 12%, 0%, 45%)

Etymology

Diminished
adjective

Latin dīminuere, to lessen — past-participle of diminish. As a color modifier, diminished implies a hushed-and-tone-reduced-and-lessened quality where the hue carries the visual register of intentionally-reduced-and-lessened ambient color treatment. Sits at the hushed-and-soft end of the grid, parallel to lessened and dampened 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.

#577c8d
Original
#737a8e
Protanopia
#6b748d
Deuteranopia
#438181
Tritanopia
#757575
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).
AA Largeon White
4.49:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
4.67:1

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
##577C8D
Display P3
Display P3
color(display-p3 0.3721 0.4823 0.5456)
Inside sRGBOKLCH chroma 0.049

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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