#563F3F

Accessibility

AAA

9.64:1

Vs white / black

9.64:1 · 2.18:1

Sources

Library color

Codes

Formats

HEX

#563f3f

RGB

rgb(86, 63, 63)

RGBA

rgba(86, 63, 63, 1)

HSL

hsl(0, 15%, 29%)

HSLA

hsla(0, 15%, 29%, 1)

HSV

hsv(0, 27%, 34%)

LAB

lab(29.14% 10.03 3.91)

LCH

lch(29.14% 10.77 21.3)

OKLAB

oklab(0.393 0.0306 0.0103)

OKLCH

oklch(0.393 0.0323 18.6)

XYZ

xyz(6.51, 5.89, 5.50)

CMYK

cmyk(0%, 27%, 27%, 66%)

CSS

color: #563f3f;

CSS variable

--color-563f3f: #563f3f;

SCSS

$color-563f3f: #563f3f;

JavaScript

const color = "#563f3f";

TypeScript

const color: string = "#563f3f";

React

style={{ backgroundColor: "#563f3f" }}

JSON

{ "hex": "#563f3f", "rgb": { "r": 86, "g": 63, "b": 63 }, "oklch": "oklch(0.393 0.0323 18.6)" }

Export

Developer code

css

:root {
  --#563f3f-1: #563f3f;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

stone-700

Very different · ΔE 10.39 · #44403C

Nearest CSS named color

DimGray

Very different · ΔE 17.25 · #696969

Nearest Material color

brown-800

Noticeably different · ΔE 4.89 · #4E342E

Nearest Bootstrap color

dark

Very different · ΔE 17.63 · #212529

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50fff0f0 100f6e3e2 200e4cece 300d0b7b7 400b59a9a 500997f7f 600806a6a 700675454 8004f3f3f 900392b2b 950231717

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

f1efef e3dfdf d5cfcf c7bfbf b9afaf ab9f9f 9c8f8f 8e7f7f 806f6f 725f5f 644f4f 563f3f 4f3a3a 483535 412f2f 392a2a 322525 2b2020 241a1a 1d1515 161010 0e0a0a 070505

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f1efef e3dfdf d5cfcf c7bfbf b9afaf ab9f9f 9c8f8f 8e7f7f 806f6f 725f5f 644f4f

Palette

Shades

Mixed toward black — depth, text, and emphasis

4f3a3a 483535 412f2f 392a2a 322525 2b2020 241a1a 1d1515 161010 0e0a0a 070505

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

5a4444 5d4a4a 614f4f 645555 685a5a 6b6060 6f6565 726a6a 767070 797575 7d7b7b

Harmony

Complementary

Opposite on the color wheel for contrast

#563F3FStop 1 #3F5555Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#553F4AStop 1 #563F3FStop 2 #554A3FStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#563F3FStop 1 #3F553FStop 2 #3F3F55Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#563F3FStop 1 #3F554AStop 2 #3F4A55Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#3B2B2BStop 1 #674C4CStop 2 #936C6CStop 3 #B39898Stop 4 #D4C4C4Stop 5

Using this color

Where #563f3f works

#563F3F (#563f3f) sits in the red family at about 0° hue, 15% saturation, and 29% lightness. Contrast is 9.64:1 on white and 2.18:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: stone-700 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on a white canvas

On a black or near-black UI, #563f3f is 2.18:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Energy, urgency, passion, and excitement. Often used for CTAs, alerts, and brands that want attention. Common uses still include buttons, charts, and accents in the Red range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Material Brown 800#4E342E Material Brown 700#5D4037 Material Brown 600#6D4C41 Material Brown 900#3E2723 Web Safe #663333#663333 Spectrum #694130#694130 Tailwind stone 700#44403C Spectrum #6D3A2C#6D3A2C Material Brown 500#795548 Tailwind zinc 700#3F3F46 Material Grey 800#424242 Tailwind neutral 700#404040