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Crepuscular Echinops

#1d234f
Notes

Crepuscular Echinops (#1D234F) 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 (233°, 46%, 21%) 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
#1d234f
RGB
rgb(29, 35, 79)
HSL
hsl(233, 46%, 21%)
HWB
hwb(233 11% 69%)
OKLCH
oklch(27.8% 0.080 274.1)
P3
color(display-p3 0.1182 0.1365 0.2987)
HSV
hsv(233, 63%, 31%)
LAB
lab(15.63% 12.72 -28.01)
LCH
lch(15.63% 30.76 294.43)
CMYK
cmyk(63%, 56%, 0%, 69%)

Etymology

Crepuscular
adjective

Latin crepusculāris, of twilight — derived from crepusculum (twilight). As a color modifier, crepuscular implies the deep blue-violet darkness of civil-twilight period between sunset and nightfall. Sits at the deep-and-cool end of the grid, where the hue carries the Belt of Venus atmospheric-scattering quality of clear-sky horizon at dusk.

Echinops
noun

Globe thistle (Echinops ritro) — Mediterranean and West-Asian Asteraceae prized for its perfectly spherical steel-blue capitula on grey-felted stems. Echinops color refers to a fully bloomed Echinops ritro sphere: a saturated, slightly cool deep blue-violet with the matte finish of dense radiating thistle disk-flowers on a globe receptacle. Drier and steelier than Allium, with the Greek genus name meaning hedgehog-faced.

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.

#1d234f
Original
#0c2951
Protanopia
#04254e
Deuteranopia
#012d35
Tritanopia
#252525
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
14.94:1
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
1.41:1

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
##1D234F
Display P3
Display P3
color(display-p3 0.1182 0.1365 0.2987)
P3 has subtle headroomOKLCH chroma 0.080

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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