#583F57
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.051 327.8), rgb(88, 63, 87).
Aa
White text reads best on this color (9.27:1).
About this color
#583F57 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.051 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.046 away. White text reads best on it, at 9.27:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #583F57 |
| RGB | rgb(88, 63, 87) |
| HSL | hsl(302, 17%, 30%) |
| OKLCH | oklch(40.4% 0.051 327.8) |
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 #583F57 | 9.27:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #583F57 | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #583F57 text on white | 9.27:1 | AAA | Lc 91.4 | Preferred for body text |
| #583F57 text on black | 2.26:1 | Fails | Lc -11.0 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD5DF
oklch(88.4% 0.017 325.7)
-
Step 300
300
#CCBACB
oklch(80.9% 0.031 327.6)
-
Step 400
400
#B197B0
oklch(70.8% 0.046 327.3)
-
Step 500
500
#9E7D9C
oklch(63.1% 0.06 328.2)
-
Step 600
600
#896687
oklch(55.7% 0.065 328.3)
-
Step 700
700
#745473
oklch(49.1% 0.062 327.5)
-
Step 800
800 (this color)
#583F57
oklch(40.4% 0.051 327.8)
-
Step 900
900
#4D3A4C
oklch(37.6% 0.039 328)
-
Step 950
950
#2D222D
oklch(26.9% 0.026 326.3)
#583F57 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) | #3E4558 | 0.046 |
| Deuteranopia (no green cones) | #434856 | 0.043 |
| Tritanopia (no blue cones) | #5A4147 | 0.030 |
| Achromatopsia (no color) | #474747 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F57
#583F57
oklch(40.4% 0.051 327.8)
- #365139
#365139
oklch(40.6% 0.052 147.3)
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 #583F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.046
- Brownish Purple #76424E ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.073
- Dusty Grape #545775 ΔE 0.074
- Onyx #343A40 ΔE 0.078
- Charcoal #264653 ΔE 0.079
- Dusk #4E5481 ΔE 0.080
Use #583F57 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.