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Lordly Atitlán

#453fbb
Notes

Lordly Atitlán (#453FBB) is a true blue 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 (243°, 50%, 49%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#453fbb
RGB
rgb(69, 63, 187)
HSL
hsl(243, 50%, 49%)
HWB
hwb(243 25% 27%)
OKLCH
oklch(45.5% 0.188 278.0)
P3
color(display-p3 0.2666 0.2479 0.7063)
HSV
hsv(243, 66%, 73%)
LAB
lab(34.82% 39.88 -64.53)
LCH
lch(34.82% 75.86 301.72)
CMYK
cmyk(63%, 66%, 0%, 27%)

Etymology

Lordly
adjective

Old English hlāford-līc, lord-like — adjectival suffix -ly. As a color modifier, lordly implies a saturated-and-aristocratic-and-haughty quality, the deep-rich color of pre-modern English-and-French manorial-aristocracy livery and hereditary-estate household-textile. Sits at the bold-and-aristocratic end of the grid, parallel to princely and patrician.

Atitlán
noun

Mayan-named volcanic crater lake in Guatemala's western highlands, surrounded by Tolimán, San Pedro, and Atitlán volcanoes. The lake's depth and volcanic basement give it an unusual deep blue-violet at certain light angles. Atitlán color refers to Lake Atitlán surface at crepuscule in clear weather: a saturated, slightly cool deep blue-violet with the optical complexity of deep-water Rayleigh-scattered indigo light.

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.

#453fbb
Original
#0057bf
Protanopia
#004db9
Deuteranopia
#005f77
Tritanopia
#494949
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
7.83:1
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
2.68:1

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
##453FBB
Display P3
Display P3
color(display-p3 0.2666 0.2479 0.7063)
P3 has visible headroomOKLCH chroma 0.188

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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