#563939
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.042 19.2), rgb(86, 57, 57).
Aa
White text reads best on this color (10.29:1).
About this color
#563939 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.042 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 10.29:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.04:1 |
| White text | 10.29:1 |
Values
| HEX | #563939 |
| RGB | rgb(86, 57, 57) |
| HSL | hsl(0, 20%, 28%) |
| OKLCH | oklch(37.8% 0.042 19.2) |
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 #563939 | 10.29:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #563939 | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #563939 text on white | 10.29:1 | AAA | Lc 93.8 | Preferred for body text |
| #563939 text on black | 2.04:1 | Fails | Lc -8.7 | 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
#F0E8E7
oklch(93.7% 0.009 26)
-
Step 200
200
#E4D5D4
oklch(88.5% 0.017 22.1)
-
Step 300
300
#D4B9B9
oklch(80.9% 0.031 17.8)
-
Step 400
400
#BE9594
oklch(70.8% 0.05 20)
-
Step 500
500
#AD7A7A
oklch(63.1% 0.064 19)
-
Step 600
600
#986363
oklch(55.7% 0.069 19.5)
-
Step 700
700
#815252
oklch(49.1% 0.063 19.6)
-
Step 800
800
#694343
oklch(42.7% 0.053 19.5)
-
Step 900
900 (this color)
#563939
oklch(37.8% 0.042 19.2)
-
Step 950
950
#322121
oklch(26.9% 0.026 18.9)
#563939 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) | #3E3D39 | 0.044 |
| Deuteranopia (no green cones) | #454339 | 0.042 |
| Tritanopia (no blue cones) | #5C3639 | 0.014 |
| Achromatopsia (no color) | #404040 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563939
#563939
oklch(37.8% 0.042 19.2)
- #25494A
#25494A
oklch(37.9% 0.042 197.9)
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 #563939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.049
- Onyx #343A40 ΔE 0.061
- Brownish Purple #76424E ΔE 0.076
- Mud Brown #60460F ΔE 0.076
- Chestnut #742802 ΔE 0.079
- Dark Slate Gray #2F4F4F ΔE 0.083
- Charcoal #264653 ΔE 0.083
Use #563939 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.