colors
Back to gallery

Dim Bluet

#1d2f4d
Notes

Dim Bluet (#1D2F4D) 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 (218°, 45%, 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
#1d2f4d
RGB
rgb(29, 47, 77)
HSL
hsl(218, 45%, 21%)
HWB
hwb(218 11% 70%)
OKLCH
oklch(30.6% 0.059 260.2)
P3
color(display-p3 0.1291 0.1824 0.2930)
HSV
hsv(218, 62%, 30%)
LAB
lab(19.35% 3.19 -20.73)
LCH
lch(19.35% 20.97 278.76)
CMYK
cmyk(62%, 39%, 0%, 70%)

Etymology

Dim
adjective

Old English dim, dark, obscured. As a color modifier, dim implies reduced luminance without specific saturation effect — a dim red is a less luminous version of red rather than a less saturated one. Sits at the value-only end of the deep grid, closer to dark than to plush.

Bluet
noun

Houstonia caerulea, the small wildflower of New England meadows and Appalachian roadsides — four-petaled, no taller than a thumb, blooming in spring carpets. Sometimes called Quaker ladies for the bonnet-like flower shape. The color refers to a fresh bluet flower at peak bloom: a soft, slightly green-shifted pale blue with the matte finish of a tiny corolla. Lighter than bluebell, cooler than periwinkle, with the early-spring association of a flower that opens before the trees leaf.

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.

#1d2f4d
Original
#23314e
Protanopia
#1d2d4c
Deuteranopia
#00363a
Tritanopia
#2d2d2d
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
13.41:1
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
1.57:1

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
##1D2F4D
Display P3
Display P3
color(display-p3 0.1291 0.1824 0.2930)
Inside sRGBOKLCH chroma 0.059

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

Related Colors

Canvas