#573868
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.086 312.7), rgb(87, 56, 104).
Aa
White text reads best on this color (9.67:1).
About this color
#573868 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.086 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.064 away. White text reads best on it, at 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #573868 |
| RGB | rgb(87, 56, 104) |
| HSL | hsl(279, 30%, 31%) |
| OKLCH | oklch(39.8% 0.086 312.7) |
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 #573868 | 9.67:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #573868 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #573868 text on white | 9.67:1 | AAA | Lc 92.3 | Preferred for body text |
| #573868 text on black | 2.17:1 | Fails | Lc -10.2 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F3
oklch(93.5% 0.019 312.8)
-
Step 200
200
#E1D3EB
oklch(88.5% 0.036 311.4)
-
Step 300
300
#CFB5DF
oklch(80.9% 0.065 312.5)
-
Step 400
400
#B78DCF
oklch(70.6% 0.104 312.8)
-
Step 500
500
#A570C2
oklch(63.2% 0.132 312.8)
-
Step 600
600
#9056AE
oklch(55.5% 0.144 313)
-
Step 700
700
#7A4696
oklch(49% 0.134 312.5)
-
Step 800
800
#643A7A
oklch(42.8% 0.111 312.9)
-
Step 900
900 (this color)
#573868
oklch(39.8% 0.086 312.7)
-
Step 950
950
#301E39
oklch(27.1% 0.054 313.8)
#573868 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) | #2E436A | 0.070 |
| Deuteranopia (no green cones) | #364567 | 0.063 |
| Tritanopia (no blue cones) | #553F4B | 0.059 |
| Achromatopsia (no color) | #444444 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573868
#573868
oklch(39.8% 0.086 312.7)
- #34511C
#34511C
oklch(39.9% 0.087 133.1)
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 #573868, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.064
- Purple Brown #673A3F ΔE 0.078
- Dusk #4E5481 ΔE 0.080
- Twilight #4E518B ΔE 0.080
- Grape Purple #5D1451 ΔE 0.081
- Blueberry #464196 ΔE 0.082
- Dusty Grape #545775 ΔE 0.086
- Brownish Purple #76424E ΔE 0.086
Use #573868 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.