Dark Color

#171A13

Approximate Color Name: Midnight Obsidian

Closest CSS Color Name: Black (#000000)

Color Space Coordinates

Copyable codes for development, CSS styling, and print

HEX#171A13
RGBrgb(23, 26, 19)
HSLhsl(86, 16%, 9%)
HSV / HSBhsv(86, 26.9%, 10.2%)
CMYK (Print)cmyk(12%, 0%, 27%, 90%)
OKLCH (CSS4)oklch(0.212 0.014 126)
OKLaboklab(0.212 -0.008 0.011)
Tailwind CSSbg-[#171A13]

WCAG 2.1 Contrast & Accessibility Audit

Evaluates readability standards for normal body text (4.5:1 AA / 7.0:1 AAA) and large headings (3.0:1 AA / 4.5:1 AAA)

Against Pure White (#FFFFFF)17.59:1
White Text on #171A13
AA Normal Text
AAA Normal Text
Against Pure Black (#000000)1.19:1
Black Text on #171A13
AA Normal Text
AAA Normal Text

Tonal Variations (Shades, Tints & Tones)

Calibrated step variations created by adding black (shades), white (tints), and gray (tones)

Harmonies for #171A13 (Midnight Obsidian)

Classical color wheel pairings calculated from 360-degree rotational angles

Complementary (180°)

Opposite

Triadic (120° / 240°)

Equidistant

Analogous (±30°)

Adjacent

Split-Complementary (150° / 210°)

Soft Contrast

Practical UI/UX Design Usage for #171A13

Primary Buttons & Focus Rings

With an RGB luminance of 23, 26, 19, this shade works excellently with white text (#FFFFFF) for call-to-action buttons and form focus states.

Background Containers

To use #171A13 as a card background or subtle surface tint, apply an opacity of 5% to 15% (bg-[#171A13]/10 in Tailwind) to maintain high typography readability.

Data Visualization & Badges

Pair with its complementary accent #16131B or triadic partner #13171B to distinguish distinct categories in charts and tables.

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Tools & Utilities for #171A13

Explore gradients, test contrast ratios, and generate monochromatic shades with #171A13

All Tools →

Related Educational Guides

Learn how color models, web contrast standards, and conversion mathematics work

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