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Sumptuous Dawn

#245ba5
Notes

Sumptuous Dawn (#245BA5) 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 (214°, 64%, 39%) 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
#245ba5
RGB
rgb(36, 91, 165)
HSL
hsl(214, 64%, 39%)
HWB
hwb(214 14% 35%)
OKLCH
oklch(47.5% 0.132 257.0)
HSV
hsv(214, 78%, 65%)
LAB
lab(38.85% 9.12 -45.04)
LCH
lch(38.85% 45.96 281.45)
CMYK
cmyk(78%, 45%, 0%, 35%)

Etymology

Sumptuous
adjective

Latin sūmptuōsus, expensive — derived from sūmptus (expense). As a color modifier, sumptuous implies a saturated-and-rich-and-luxurious quality, the deep-rich color of Burgundy-and-Champagne-Court late-medieval silk-and-velvet livery in the Très-Riches-Heures manuscript tradition. Sits at the bold-and-saturated end of the grid, parallel to opulent and lavish.

Dawn
noun

The transitional sky color in the half-hour before sunrise — when the sun is below the horizon but its light scatters off the upper atmosphere. The color refers to the eastern sky at civil twilight on a clear summer morning: a soft, slightly violet-shifted blue with a very slight orange wash near the horizon. Cooler than dawn-itself's pink moments, warmer than midnight, with the daily weight of a moment that lasts only minutes.

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.

#245ba5
Original
#3562a8
Protanopia
#1b56a4
Deuteranopia
#006d78
Tritanopia
#555555
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
6.74:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.11:1

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