#583A67
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.081 313.8), rgb(88, 58, 103).
Aa
White text reads best on this color (9.47:1).
About this color
#583A67 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.081 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 9.47:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #583A67 |
| RGB | rgb(88, 58, 103) |
| HSL | hsl(280, 28%, 32%) |
| OKLCH | oklch(40.2% 0.081 313.8) |
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 #583A67 | 9.47:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #583A67 | 2.21:1 | Fails | Lc 12.2 | Not readable |
| #583A67 text on white | 9.47:1 | AAA | Lc 91.8 | Preferred for body text |
| #583A67 text on black | 2.21:1 | Fails | Lc -10.6 | 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
#DFD4E6
oklch(88.4% 0.027 312.6)
-
Step 300
300
#CCB8D7
oklch(80.9% 0.048 313.7)
-
Step 400
400
#B293C2
oklch(70.7% 0.075 314)
-
Step 500
500
#9F77B3
oklch(63.1% 0.098 314)
-
Step 600
600
#8A5F9F
oklch(55.6% 0.107 314.1)
-
Step 700
700
#754F88
oklch(49.2% 0.098 313.8)
-
Step 800
800 (this color)
#583A67
oklch(40.2% 0.081 313.8)
-
Step 900
900
#4E3759
oklch(37.7% 0.063 314.4)
-
Step 950
950
#2E2034
oklch(27% 0.041 315.5)
#583A67 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) | #324469 | 0.065 |
| Deuteranopia (no green cones) | #394766 | 0.061 |
| Tritanopia (no blue cones) | #57404B | 0.056 |
| Achromatopsia (no color) | #464646 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583A67
#583A67
oklch(40.2% 0.081 313.8)
- #365221
#365221
oklch(40.4% 0.082 133.6)
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 #583A67, 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 0.074
- Dusk #4E5481 ΔE 0.076
- Twilight #4E518B ΔE 0.078
- Brownish Purple #76424E ΔE 0.081
- Dusty Grape #545775 ΔE 0.081
- Blueberry #464196 ΔE 0.083
- Dark Grey Blue #29465B ΔE 0.085
Use #583A67 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.