#563D3D
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.035 18.8), rgb(86, 61, 61).
Aa
White text reads best on this color (9.85:1).
About this color
#563D3D is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.035 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.85:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #563D3D |
| RGB | rgb(86, 61, 61) |
| HSL | hsl(0, 17%, 29%) |
| OKLCH | oklch(38.8% 0.035 18.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #563D3D | 9.85:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #563D3D | 2.13:1 | Fails | Lc 11.1 | Not readable |
| #563D3D text on white | 9.85:1 | AAA | Lc 92.8 | Preferred for body text |
| #563D3D text on black | 2.13:1 | Fails | Lc -9.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E8
oklch(93.6% 0.008 17.3)
-
Step 200
200
#E3D5D5
oklch(88.4% 0.016 17.5)
-
Step 300
300
#D1BABA
oklch(80.8% 0.026 17.7)
-
Step 400
400
#BA9796
oklch(70.8% 0.042 20.1)
-
Step 500
500
#A87D7D
oklch(63.2% 0.054 18.7)
-
Step 600
600
#936566
oklch(55.5% 0.06 17.7)
-
Step 700
700
#7D5454
oklch(49.1% 0.055 19.2)
-
Step 800
800
#664545
oklch(42.7% 0.046 19.1)
-
Step 900
900 (this color)
#563D3D
oklch(38.8% 0.035 18.8)
-
Step 950
950
#312222
oklch(27% 0.023 18.7)
#563D3D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #42403D | 0.036 |
| Deuteranopia (no green cones) | #47453D | 0.035 |
| Tritanopia (no blue cones) | #5B3B3D | 0.011 |
| Achromatopsia (no color) | #434343 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563D3D
#563D3D
oklch(38.8% 0.035 18.8)
- #2D4A4C
#2D4A4C
oklch(38.7% 0.035 201.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #563D3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.045
- Onyx #343A40 ΔE 0.062
- Brownish Purple #76424E ΔE 0.070
- Mud Brown #60460F ΔE 0.073
- Dark Slate Gray #2F4F4F ΔE 0.075
- Charcoal #264653 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.080
Use #563D3D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.