#583D68
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.077 312.1), rgb(88, 61, 104).
Aa
White text reads best on this color (9.20:1).
About this color
#583D68 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.077 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 9.20:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #583D68 |
| RGB | rgb(88, 61, 104) |
| HSL | hsl(278, 26%, 32%) |
| OKLCH | oklch(40.9% 0.077 312.1) |
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 #583D68 | 9.20:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #583D68 | 2.28:1 | Fails | Lc 12.9 | Not readable |
| #583D68 text on white | 9.20:1 | AAA | Lc 91.1 | Preferred for body text |
| #583D68 text on black | 2.28:1 | Fails | Lc -11.2 | 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 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#DFD5E5
oklch(88.6% 0.024 313.1)
-
Step 300
300
#CBB9D6
oklch(81% 0.045 312.8)
-
Step 400
400
#B094C1
oklch(70.7% 0.071 312.5)
-
Step 500
500
#9C79B2
oklch(63.1% 0.092 311.9)
-
Step 600
600
#87619D
oklch(55.5% 0.1 312.5)
-
Step 700
700
#725087
oklch(49% 0.094 311.7)
-
Step 800
800 (this color)
#583D68
oklch(40.9% 0.077 312.1)
-
Step 900
900
#4C3859
oklch(37.7% 0.06 311.4)
-
Step 950
950
#2D2134
oklch(27.1% 0.038 312.6)
#583D68 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) | #35466A | 0.060 |
| Deuteranopia (no green cones) | #3B4867 | 0.055 |
| Tritanopia (no blue cones) | #57434D | 0.054 |
| Achromatopsia (no color) | #484848 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583D68
#583D68
oklch(40.9% 0.077 312.1)
- #3A5324
#3A5324
oklch(41% 0.078 132.1)
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 #583D68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Dusk #4E5481 ΔE 0.069
- Twilight #4E518B ΔE 0.072
- Purple Brown #673A3F ΔE 0.072
- Dusty Grape #545775 ΔE 0.073
- Brownish Purple #76424E ΔE 0.077
- Blueberry #464196 ΔE 0.081
- Dark Grey Blue #29465B ΔE 0.082
Use #583D68 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.