#583F63
Closest named color: Purple Brown (#673A3F). oklch(41% 0.066 315.2), rgb(88, 63, 99).
Aa
White text reads best on this color (9.10:1).
About this color
#583F63 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.066 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.063 away. White text reads best on it, at 9.10:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #583F63 |
| RGB | rgb(88, 63, 99) |
| HSL | hsl(282, 22%, 32%) |
| OKLCH | oklch(41% 0.066 315.2) |
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 #583F63 | 9.10:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #583F63 | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #583F63 text on white | 9.10:1 | AAA | Lc 90.9 | Preferred for body text |
| #583F63 text on black | 2.30:1 | Fails | Lc -11.4 | 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 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE8EF
oklch(93.7% 0.011 316.5)
-
Step 200
200
#DFD5E3
oklch(88.5% 0.022 316.5)
-
Step 300
300
#CABAD2
oklch(81% 0.038 314.6)
-
Step 400
400
#B095BB
oklch(70.7% 0.062 316.1)
-
Step 500
500
#9C7BAB
oklch(63.1% 0.08 315.1)
-
Step 600
600
#866496
oklch(55.6% 0.085 314.6)
-
Step 700
700
#725280
oklch(49.1% 0.081 315.2)
-
Step 800
800 (this color)
#583F63
oklch(41% 0.066 315.2)
-
Step 900
900
#4C3954
oklch(37.6% 0.051 315.7)
-
Step 950
950
#2D2231
oklch(27.1% 0.031 316.9)
#583F63 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) | #3A4764 | 0.052 |
| Deuteranopia (no green cones) | #3F4962 | 0.049 |
| Tritanopia (no blue cones) | #57444C | 0.046 |
| Achromatopsia (no color) | #484848 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F63
#583F63
oklch(41% 0.066 315.2)
- #3A522D
#3A522D
oklch(40.9% 0.066 135.3)
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 #583F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.063
- Dusty Grape #545775 ΔE 0.068
- Dusk #4E5481 ΔE 0.068
- Brownish Purple #76424E ΔE 0.070
- Twilight #4E518B ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.079
Use #583F63 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.