#583967
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.083 314), rgb(88, 57, 103).
Aa
White text reads best on this color (9.56:1).
About this color
#583967 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.083 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.066 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #583967 |
| RGB | rgb(88, 57, 103) |
| HSL | hsl(280, 29%, 31%) |
| OKLCH | oklch(40% 0.083 314) |
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 #583967 | 9.56:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #583967 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #583967 text on white | 9.56:1 | AAA | Lc 92.0 | Preferred for body text |
| #583967 text on black | 2.19:1 | Fails | Lc -10.4 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE6F3
oklch(93.5% 0.019 312.8)
-
Step 200
200
#E2D3EA
oklch(88.6% 0.035 314.1)
-
Step 300
300
#D0B5DD
oklch(80.9% 0.063 314.8)
-
Step 400
400
#B78ECC
oklch(70.7% 0.099 313.9)
-
Step 500
500
#A570BF
oklch(63% 0.128 313.9)
-
Step 600
600
#9057AB
oklch(55.5% 0.139 314)
-
Step 700
700
#7B4793
oklch(49.2% 0.129 314.2)
-
Step 800
800
#643B77
oklch(42.8% 0.106 314.2)
-
Step 900
900 (this color)
#583967
oklch(40% 0.083 314)
-
Step 950
950
#301E38
oklch(27% 0.053 314.9)
#583967 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) | #314369 | 0.067 |
| Deuteranopia (no green cones) | #384666 | 0.062 |
| Tritanopia (no blue cones) | #573F4B | 0.056 |
| Achromatopsia (no color) | #454545 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583967
#583967
oklch(40% 0.083 314)
- #345120
#345120
oklch(39.9% 0.083 134.2)
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 #583967, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.066
- Purple Brown #673A3F ΔE 0.075
- Dusk #4E5481 ΔE 0.078
- Twilight #4E518B ΔE 0.080
- Brownish Purple #76424E ΔE 0.082
- Grape Purple #5D1451 ΔE 0.083
- Blueberry #464196 ΔE 0.083
- Dusty Grape #545775 ΔE 0.083
Use #583967 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.