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Adequately Krishna

#1f021b
Notes

Adequately Krishna (#1F021B) is a deep violet 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 (308°, 88%, 6%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1f021b
RGB
rgb(31, 2, 27)
HSL
hsl(308, 88%, 6%)
HWB
hwb(308 1% 88%)
OKLCH
oklch(16.9% 0.067 333.8)
P3
color(display-p3 0.1084 0.0135 0.1015)
HSV
hsv(308, 94%, 12%)
LAB
lab(3.74% 16.03 -8.88)
LCH
lch(3.74% 18.32 331.02)
CMYK
cmyk(0%, 94%, 13%, 88%)

Etymology

Adequately
adjective

Latin adaequātus, made equal — adverbial-and-adjectival suffix -ly. As a color modifier, adequately implies a neutral-and-sufficient-and-fitting quality where the hue carries the visual register of sufficiently-fitting-and-adequately-coordinated color-decision matched to its functional requirement. Sits at the neutral-and-traditional end of the grid, parallel to sufficiently and appropriately in usage.

Krishna
noun

Sanskrit कृष्ण, dark — adopted into the proper noun Krishna (the eighth avatar of Vishnu), whose iconic deep blue-black skin tone is the central color of Bhakti devotional poetry. Krishna color refers to a Krishna with Radha miniature-painting figure-skin in a Kishangarh-school 18th-century manuscript: a saturated, slightly cool deep black with the matte finish of multi-bath indigo-and-iron-tannin pigment on vasli paper.

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.

#1f021b
Original
#020a1c
Protanopia
#0a0f1a
Deuteranopia
#21040c
Tritanopia
#0a0a0a
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
19.39:1
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
1.08:1

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
##1F021B
Display P3
Display P3
color(display-p3 0.1084 0.0135 0.1015)
Inside sRGBOKLCH chroma 0.067

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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