#583C59
Closest named color: Purple Brown (#673A3F). oklch(39.9% 0.06 325.5), rgb(88, 60, 89).
Aa
White text reads best on this color (9.52:1).
About this color
#583C59 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.060 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.050 away. White text reads best on it, at 9.52:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #583C59 |
| RGB | rgb(88, 60, 89) |
| HSL | hsl(298, 19%, 29%) |
| OKLCH | oklch(39.9% 0.06 325.5) |
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 #583C59 | 9.52:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #583C59 | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #583C59 text on white | 9.52:1 | AAA | Lc 92.0 | Preferred for body text |
| #583C59 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E2D4E2
oklch(88.5% 0.024 325.8)
-
Step 300
300
#D0B7D1
oklch(80.9% 0.045 324.8)
-
Step 400
400
#B891B9
oklch(70.6% 0.072 325.5)
-
Step 500
500
#A676A8
oklch(63.1% 0.092 325.3)
-
Step 600
600
#915E93
oklch(55.6% 0.099 325.5)
-
Step 700
700
#7B4D7D
oklch(49% 0.093 325.4)
-
Step 800
800
#644066
oklch(42.8% 0.076 325)
-
Step 900
900 (this color)
#583C59
oklch(39.9% 0.06 325.5)
-
Step 950
950
#302031
oklch(27.1% 0.038 324.6)
#583C59 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) | #3A435A | 0.053 |
| Deuteranopia (no green cones) | #404758 | 0.051 |
| Tritanopia (no blue cones) | #5A3F46 | 0.037 |
| Achromatopsia (no color) | #454545 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583C59
#583C59
oklch(39.9% 0.06 325.5)
- #325033
#325033
oklch(39.9% 0.06 145.1)
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 #583C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.050
- Brownish Purple #76424E ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.076
- Onyx #343A40 ΔE 0.079
- Dusty Grape #545775 ΔE 0.080
- Charcoal #264653 ΔE 0.083
- Dusk #4E5481 ΔE 0.083
Use #583C59 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.