#563F3A
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.034 32.5), rgb(86, 63, 58).
Aa
White text reads best on this color (9.68:1).
About this color
#563F3A is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.034 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 9.68:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #563F3A |
| RGB | rgb(86, 63, 58) |
| HSL | hsl(11, 19%, 28%) |
| OKLCH | oklch(39.1% 0.034 32.5) |
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 #563F3A | 9.68:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #563F3A | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #563F3A text on white | 9.68:1 | AAA | Lc 92.4 | Preferred for body text |
| #563F3A text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EFE8E7
oklch(93.6% 0.008 27.2)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D0BBB6
oklch(80.8% 0.025 33.6)
-
Step 400
400
#B89891
oklch(70.7% 0.04 32.4)
-
Step 500
500
#A67E76
oklch(63% 0.051 31.4)
-
Step 600
600
#91675F
oklch(55.5% 0.056 31)
-
Step 700
700
#7B564E
oklch(49% 0.051 32.6)
-
Step 800
800
#644640
oklch(42.6% 0.043 31.6)
-
Step 900
900 (this color)
#563F3A
oklch(39.1% 0.034 32.5)
-
Step 950
950
#302320
oklch(27.1% 0.021 33.3)
#563F3A 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) | #44423A | 0.033 |
| Deuteranopia (no green cones) | #49463A | 0.030 |
| Tritanopia (no blue cones) | #5B3C3E | 0.016 |
| Achromatopsia (no color) | #444444 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563F3A
#563F3A
oklch(39.1% 0.034 32.5)
- #304A50
#304A50
oklch(39.1% 0.033 213.7)
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 #563F3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.045
- Mud Brown #60460F ΔE 0.064
- Onyx #343A40 ΔE 0.065
- Brownish Purple #76424E ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.071
- Charcoal #264653 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.082
Use #563F3A 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.