#563540
Closest named color: Purple Brown (#673A3F). oklch(37.2% 0.05 358.3), rgb(86, 53, 64).
Aa
White text reads best on this color (10.61:1).
About this color
#563540 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.050 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 10.61:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #563540 |
| RGB | rgb(86, 53, 64) |
| HSL | hsl(340, 24%, 27%) |
| OKLCH | oklch(37.2% 0.05 358.3) |
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 #563540 | 10.61:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #563540 | 1.97:1 | Fails | Lc 9.4 | Not readable |
| #563540 text on white | 10.61:1 | AAA | Lc 94.5 | Preferred for body text |
| #563540 text on black | 1.97:1 | Fails | Lc -8.1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E6D4D9
oklch(88.6% 0.021 358.7)
-
Step 300
300
#D6B7C0
oklch(80.9% 0.037 358.6)
-
Step 400
400
#C191A0
oklch(70.7% 0.061 358.3)
-
Step 500
500
#B07689
oklch(63.1% 0.077 358.3)
-
Step 600
600
#9B5E73
oklch(55.6% 0.084 358)
-
Step 700
700
#844D60
oklch(49% 0.078 358.2)
-
Step 800
800
#6B404F
oklch(42.7% 0.063 357.7)
-
Step 900
900 (this color)
#563540
oklch(37.2% 0.05 358.3)
-
Step 950
950
#332026
oklch(27% 0.031 358.8)
#563540 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) | #393B40 | 0.054 |
| Deuteranopia (no green cones) | #41413F | 0.051 |
| Tritanopia (no blue cones) | #5B3339 | 0.014 |
| Achromatopsia (no color) | #3F3F3F | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563540
#563540
oklch(37.2% 0.05 358.3)
- #1F4940
#1F4940
oklch(37.2% 0.05 177.5)
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 #563540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.056
- Onyx #343A40 ΔE 0.062
- Brownish Purple #76424E ΔE 0.077
- Gunmetal #293241 ΔE 0.084
- Charcoal #264653 ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.086
- Chestnut #742802 ΔE 0.087
Use #563540 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.