colors
Back to gallery

Velvety Norn Ultramarine

#1b40a1
Notes

Velvety Norn Ultramarine (#1B40A1) is a true azure with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (223°, 71%, 37%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1b40a1
RGB
rgb(27, 64, 161)
HSL
hsl(223, 71%, 37%)
HWB
hwb(223 11% 37%)
OKLCH
oklch(41.1% 0.163 264.3)
P3
color(display-p3 0.1434 0.2476 0.6084)
HSV
hsv(223, 83%, 63%)
LAB
lab(30.57% 24.73 -56.05)
LCH
lch(30.57% 61.26 293.81)
CMYK
cmyk(83%, 60%, 0%, 37%)

Etymology

Velvety
adjective

An adjectival form of velvet, used since the eighteenth century for colors that read as if they had the matte light-absorbing quality of velvet. Implies high saturation combined with a non-glossy surface — the matte richness of a deep wine in a fabric rather than in a glass. Sits in the bold-and-deep corner of the grid alongside plush and lush.

Norn
modifier

Old Norse norn, Norse-fate-weaver. As a color modifier, norn implies a Norse-fate-weaver-and-Urd-Verdandi-Skuld quality, the visual register of Norse-Norns-and-Urd-Verdandi-Skuld hand-Norse-fate-weaver-and-Urd-Verdandi-Skuld Norse-Norns-and-Urd-Verdandi-Skuld-and-Yggdrasil-roots norn-and-Norse-fate-weaver surfaces under Norse-Norns-and-Urd-Verdandi-Skuld-and-Yggdrasil-roots Well-of-Urd-and-loom-of-fate fate-weaver-light. Sits at the modifier-and-myth end of the grid, parallel to vala and rune in usage.

Ultramarine
noun

The pigment ground from lapis lazuli — the Afghan mineral imported through Venice in the late Middle Ages, more expensive by weight than gold during the Renaissance. The color refers to a freshly mixed ultramarine pigment in linseed oil: a saturated, slightly violet-shifted deep blue with the matte finish of micron-ground rock. Deeper than cobalt, cooler than royal, with the art-historical weight of the blue Vermeer reserved for Mary's robe.

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.

#1b40a1
Original
#004ea4
Protanopia
#00429f
Deuteranopia
#00596a
Tritanopia
#3f3f3f
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
9.15:1
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
2.29:1

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
##1B40A1
Display P3
Display P3
color(display-p3 0.1434 0.2476 0.6084)
P3 has subtle headroomOKLCH chroma 0.163

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.

Related Colors

Canvas