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Stoic Yomi

#150103
Notes

Stoic Yomi (#150103) is a deep red 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 (354°, 91%, 4%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#150103
RGB
rgb(21, 1, 3)
HSL
hsl(354, 91%, 4%)
HWB
hwb(354 0% 92%)
OKLCH
oklch(12.9% 0.045 15.4)
P3
color(display-p3 0.0721 0.0070 0.0127)
HSV
hsv(354, 95%, 8%)
LAB
lab(1.70% 6.48 1.43)
LCH
lch(1.70% 6.63 12.43)
CMYK
cmyk(0%, 95%, 86%, 92%)

Etymology

Stoic
adjective

Greek stōikós, of-the-Stoa — adjectival suffix -ic, referring to the Stoic-Philosophy of Zeno-of-Citium. As a color modifier, stoic implies a neutral-and-restrained-and-unaffected quality where the hue carries the visual register of Stoic-philosophical unaffected-and-stripped-down color-decision. Sits at the neutral-and-restrained end of the grid, parallel to stoical and reserved in usage.

Yomi
noun

Japanese 黄泉, Yomi — the Shinto-mythological land of the dead beneath the earth, accessible through the Yomotsu Hirasaka slope, where Izanami dwells after dying in childbirth. Yomi color refers to a Heian-period Yomi depiction in a Genji Monogatari Emaki scroll-painting: a saturated, slightly cool deep black with the matte finish of sumi-ink-and-shu (cinnabar) mineral-pigment on silk.

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.

#150103
Original
#040403
Protanopia
#090803
Deuteranopia
#180002
Tritanopia
#050505
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
20.24:1
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
1.04:1

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
##150103
Display P3
Display P3
color(display-p3 0.0721 0.0070 0.0127)
Inside sRGBOKLCH chroma 0.045

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.

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