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Severe Acai

#242779
Notes

Severe Acai (#242779) is a deep 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 (238°, 54%, 31%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#242779
RGB
rgb(36, 39, 121)
HSL
hsl(238, 54%, 31%)
HWB
hwb(238 14% 53%)
OKLCH
oklch(32.9% 0.136 274.4)
P3
color(display-p3 0.1433 0.1526 0.4564)
HSV
hsv(238, 70%, 47%)
LAB
lab(20.85% 27.29 -47.13)
LCH
lch(20.85% 54.46 300.07)
CMYK
cmyk(70%, 68%, 0%, 53%)

Etymology

Severe
adjective

Latin sevērus, strict / serious. As a color modifier, severe implies a deep-and-uncompromising-formal quality, the dark plain-textile color of Cistercian and Calvinist anti-decorative interior aesthetic. Sits at the deep-and-formal end of the grid, parallel to austere and stern in tone.

Acai
noun

Brazilian Portuguese for Euterpe oleracea — an Amazon-basin palm whose deep-purple-violet drupe was a quilombola and caboclo dietary staple before its 21st-century superfood commercialization. Acai color refers to a freshly pulped Euterpe oleracea drupe: a saturated, slightly cool deep blue-violet with the matte finish of anthocyanin-rich palm-fruit pulp. The Tupi-derived word entered English via Portuguese in the 1990s.

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.

#242779
Original
#00367c
Protanopia
#002e77
Deuteranopia
#003c4c
Tritanopia
#2c2c2c
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
12.79:1
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
1.64:1

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
##242779
Display P3
Display P3
color(display-p3 0.1433 0.1526 0.4564)
P3 has subtle headroomOKLCH chroma 0.136

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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