#583F69
Closest named color: Dusk (#4E5481). oklch(41.3% 0.074 310.8), rgb(88, 63, 105).
Aa
White text reads best on this color (9.01:1).
About this color
#583F69 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.074 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.064 away. White text reads best on it, at 9.01:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.32:1 |
| White text | 9.01:1 |
Values
| HEX | #583F69 |
| RGB | rgb(88, 63, 105) |
| HSL | hsl(276, 25%, 33%) |
| OKLCH | oklch(41.3% 0.074 310.8) |
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 #583F69 | 9.01:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #583F69 | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #583F69 text on white | 9.01:1 | AAA | Lc 90.6 | Preferred for body text |
| #583F69 text on black | 2.32:1 | Fails | Lc -11.7 | 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
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DED5E5
oklch(88.5% 0.024 310.7)
-
Step 300
300
#CAB9D6
oklch(80.9% 0.044 311.4)
-
Step 400
400
#AE95C1
oklch(70.7% 0.069 310.3)
-
Step 500
500
#9B7AB1
oklch(63.1% 0.089 311.3)
-
Step 600
600
#85629D
oklch(55.5% 0.097 310.7)
-
Step 700
700
#715186
oklch(49% 0.09 311.1)
-
Step 800
800 (this color)
#583F69
oklch(41.3% 0.074 310.8)
-
Step 900
900
#4B3958
oklch(37.7% 0.056 310.4)
-
Step 950
950
#2C2134
oklch(26.9% 0.038 310.4)
#583F69 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) | #37486B | 0.056 |
| Deuteranopia (no green cones) | #3D4968 | 0.051 |
| Tritanopia (no blue cones) | #56454F | 0.053 |
| Achromatopsia (no color) | #494949 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F69
#583F69
oklch(41.3% 0.074 310.8)
- #3D5326
#3D5326
oklch(41.2% 0.074 130.5)
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 #583F69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.065
- Dusty Grape #545775 ΔE 0.067
- Twilight #4E518B ΔE 0.067
- Purple Brown #673A3F ΔE 0.073
- Brownish Purple #76424E ΔE 0.075
- Blueberry #464196 ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.080
Use #583F69 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.