Dark Color

#281D29

Approximate Color Name: Midnight Obsidian

Closest CSS Color Name: DarkSlateGray (#2F4F4F)

Color Space Coordinates

Copyable codes for development, CSS styling, and print

HEX#281D29
RGBrgb(40, 29, 41)
HSLhsl(295, 17%, 14%)
HSV / HSBhsv(295, 29.3%, 16.1%)
CMYK (Print)cmyk(2%, 29%, 0%, 84%)
OKLCH (CSS4)oklch(0.249 0.027 324)
OKLaboklab(0.249 0.022 -0.016)
Tailwind CSSbg-[#281D29]
Check WCAG ContrastGenerate Shades & TintsBuild Palette

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)16.18:1
White Text on #281D29
AA Normal Text
AAA Normal Text
Against Pure Black (#000000)1.30:1
Black Text on #281D29
AA Normal Text
AAA Normal Text

Tonal Variations (Shades, Tints & Tones)

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

Shades (Darker with Black)
#281D29
#241A25
#201721
#1C141D
#181119
#140F15
#100C10
#0C090C
#080608
#040304
#000000
Tints (Lighter with White)
#281D29
#3E343E
#534A54
#696169
#7E777F
#948E94
#A9A5A9
#BFBBBF
#D4D2D4
#EAE8EA
#FFFFFF
Tones (Muted with Gray)
#281D29
#312732
#3A313A
#423B43
#4B454C
#544F55
#5D585D
#666266
#6E6C6F
#777677
#808080

Harmonies for #281D29 (Midnight Obsidian)

Classical color wheel pairings calculated from 360-degree rotational angles

Complementary (180°)

Opposite
#281D29#1F2A1E

Triadic (120° / 240°)

Equidistant
#281D29#2A291E#1E2A29

Analogous (±30°)

Adjacent
#231E2A#281D29#2A1E25

Split-Complementary (150° / 210°)

Soft Contrast
#281D29#252A1E#1E2A23

Practical UI/UX Design Usage for #281D29

Primary Buttons & Focus Rings

With an RGB luminance of 40, 29, 41, this shade works excellently with white text (#FFFFFF) for call-to-action buttons and form focus states.

Background Containers

To use #281D29 as a card background or subtle surface tint, apply an opacity of 5% to 15% (bg-[#281D29]/10 in Tailwind) to maintain high typography readability.

Data Visualization & Badges

Pair with its complementary accent #1F2A1E or triadic partner #2A291E to distinguish distinct categories in charts and tables.

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Tools & Utilities for #281D29

Explore gradients, test contrast ratios, and generate monochromatic shades with #281D29

All Tools →

Contrast Checker

Verify WCAG 2.1 AA/AAA compliance on #281D29 surfaces.

Shades & Tints Scale

Generate 10-step tints and dark shade ramp tokens.

Gradient Generator

Build CSS linear and radial gradients starting with #281D29.

Palette Generator

Lock #281D29 and generate complementary 5-color palettes.

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