Dark Color

#252332

Descriptive Name: Charcoal

Closest CSS Named Color: DarkSlateGray (#2F4F4F)

Color Space Coordinates

Copyable codes for development, CSS styling, and print

HEX#252332
RGBrgb(37, 35, 50)
HSLhsl(248, 18%, 17%)
HSV / HSBhsv(248, 30%, 19.6%)
CMYK (Print)cmyk(26%, 30%, 0%, 80%)
OKLCH (CSS4)oklch(0.265 0.028 291)
OKLaboklab(0.265 0.01 -0.026)
Tailwind CSSbg-[#252332]

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)15.38:1
White Text on #252332
AA Normal Text
AAA Normal Text
Against Pure Black (#000000)1.37:1
Black Text on #252332
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 #252332 (Charcoal)

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 #252332

Primary Buttons & Focus Rings

With an RGB luminance of 37, 35, 50, this shade works excellently with white text (#FFFFFF) for call-to-action buttons and form focus states.

Background Containers

To use #252332 as a card background or subtle surface tint, apply an opacity of 5% to 15% (bg-[#252332]/10 in Tailwind) to maintain high typography readability.

Data Visualization & Badges

Pair with its complementary accent #313324 or triadic partner #332624 to distinguish distinct categories in charts and tables.

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Tools & Utilities for #252332

Explore gradients, test contrast ratios, and generate monochromatic shades with #252332

All Tools →

Related Educational Guides

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

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