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Symmetrical Sora

#334f7b
Notes

Symmetrical Sora (#334F7B) is a deep 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 (217°, 41%, 34%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#334f7b
RGB
rgb(51, 79, 123)
HSL
hsl(217, 41%, 34%)
HWB
hwb(217 20% 52%)
OKLCH
oklch(42.7% 0.081 259.1)
P3
color(display-p3 0.2241 0.3069 0.4691)
HSV
hsv(217, 59%, 48%)
LAB
lab(33.40% 3.73 -28.17)
LCH
lch(33.40% 28.41 277.54)
CMYK
cmyk(59%, 36%, 0%, 52%)

Etymology

Symmetrical
adjective

Greek symmetría, due-proportion — adjectival suffix -al, derived from sym-metron (with-measure). As a color modifier, symmetrical implies a clear-and-balanced-and-mirrored quality where the hue carries the visual register of bilateral-or-radial proportional symmetry. Sits at the crisp-and-balanced end of the grid, parallel to balanced and aligned in usage.

Sora
noun

The Japanese word for sky — and sora-iro (空色), the standard Japanese name for sky-blue. Used in Heian-period waka poetry and ukiyo-e woodblock prints for the saturated mid-blue of clear summer skies. The color refers to a Japanese summer sky at midday: a saturated, slightly cool deep blue with the optical brightness of mid-latitude scattered sunlight.

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.

#334f7b
Original
#3d527d
Protanopia
#344b7a
Deuteranopia
#01595f
Tritanopia
#4c4c4c
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
8.25:1
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
2.55:1

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
##334F7B
Display P3
Display P3
color(display-p3 0.2241 0.3069 0.4691)
P3 has subtle headroomOKLCH chroma 0.081

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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