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Punchy Bluestar

#2d79c8
Notes

Punchy Bluestar (#2D79C8) is a true azure with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (211°, 63%, 48%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2d79c8
RGB
rgb(45, 121, 200)
HSL
hsl(211, 63%, 48%)
HWB
hwb(211 18% 22%)
OKLCH
oklch(56.9% 0.143 252.5)
HSV
hsv(211, 77%, 78%)
LAB
lab(49.98% 4.54 -47.64)
LCH
lch(49.98% 47.85 275.45)
CMYK
cmyk(77%, 40%, 0%, 22%)

Etymology

Punchy
adjective

A modern adjectival form of punch, to strike sharply. Used as a color word since the early twentieth century for hues that read as highly contrasting and visually loud. Punchy red, punchy yellow: the implication is full saturation combined with optical impact. Sits across the bold and bright buckets, near vivid and striking.

Bluestar
noun

The genus Amsoniabluestar, North American and East Asian native perennials with clusters of pale-blue star-shaped flowers in late spring. A. tabernaemontana and A. hubrichtii are signature pollinator-garden plants. The color refers to a fresh Amsonia flower cluster: a soft, slightly cool pale blue with the matte finish of small five-petaled stars.

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

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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.

#2d79c8
Original
#537fcb
Protanopia
#3a70c6
Deuteranopia
#008c97
Tritanopia
#6f6f6f
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
4.68:1

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