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Straightforward Blueprint

#405676
Notes

Straightforward Blueprint (#405676) is a true 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 (216°, 30%, 36%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#405676
RGB
rgb(64, 86, 118)
HSL
hsl(216, 30%, 36%)
HWB
hwb(216 25% 54%)
OKLCH
oklch(44.9% 0.059 257.7)
P3
color(display-p3 0.2687 0.3348 0.4524)
HSV
hsv(216, 46%, 46%)
LAB
lab(36.09% 0.92 -20.82)
LCH
lch(36.09% 20.84 272.54)
CMYK
cmyk(46%, 27%, 0%, 54%)

Etymology

Straightforward
adjective

English compound straight + forward — sharing root with German geradeaus. As a color modifier, straightforward implies a clear-and-direct-and-unencumbered quality where the hue carries the visual register of clear-aim-and-uncomplicated character. Sits at the crisp-and-honest end of the grid, parallel to candid and direct in usage.

Blueprint
noun

The cyanotype reproduction process — invented by John Herschel in 1842 — used for architectural and engineering drawings until digital reproduction replaced it in the late twentieth century. Blueprint color refers to a fresh cyanotype print: a saturated, slightly cool deep blue with the matte finish of iron-cyanide-on-paper.

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.

#405676
Original
#4a5877
Protanopia
#445375
Deuteranopia
#2c5d61
Tritanopia
#545454
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
7.47:1
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
2.81:1

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
##405676
Display P3
Display P3
color(display-p3 0.2687 0.3348 0.4524)
Inside sRGBOKLCH chroma 0.059

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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