#583A63
Closest named color: Purple Brown (#673A3F). oklch(40% 0.076 316.6), rgb(88, 58, 99).
Aa
White text reads best on this color (9.54:1).
About this color
#583A63 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.076 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.067 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #583A63 |
| RGB | rgb(88, 58, 99) |
| HSL | hsl(284, 26%, 31%) |
| OKLCH | oklch(40% 0.076 316.6) |
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 #583A63 | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #583A63 | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #583A63 text on white | 9.54:1 | AAA | Lc 92.0 | Preferred for body text |
| #583A63 text on black | 2.20:1 | 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
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E2D3E7
oklch(88.5% 0.031 317.7)
-
Step 300
300
#D0B6DA
oklch(81% 0.057 316.6)
-
Step 400
400
#B88FC7
oklch(70.8% 0.092 316.8)
-
Step 500
500
#A672B8
oklch(63.1% 0.117 317.1)
-
Step 600
600
#9059A4
oklch(55.5% 0.127 316.6)
-
Step 700
700
#7B498D
oklch(49.1% 0.118 316.6)
-
Step 800
800
#643C72
oklch(42.7% 0.098 316.9)
-
Step 900
900 (this color)
#583A63
oklch(40% 0.076 316.6)
-
Step 950
950
#301F36
oklch(27.1% 0.047 317)
#583A63 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) | #344365 | 0.063 |
| Deuteranopia (no green cones) | #3B4662 | 0.058 |
| Tritanopia (no blue cones) | #583F4A | 0.049 |
| Achromatopsia (no color) | #454545 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583A63
#583A63
oklch(40% 0.076 316.6)
- #345126
#345126
oklch(40% 0.076 136.3)
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 #583A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.072
- Brownish Purple #76424E ΔE 0.077
- Dusk #4E5481 ΔE 0.079
- Dusty Grape #545775 ΔE 0.081
- Twilight #4E518B ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.084
Use #583A63 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.