#583474
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.11 308.2), rgb(88, 52, 116).
Aa
White text reads best on this color (9.72:1).
About this color
#583474 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.110 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.050 away. White text reads best on it, at 9.72:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.72:1 |
Values
| HEX | #583474 |
| RGB | rgb(88, 52, 116) |
| HSL | hsl(274, 38%, 33%) |
| OKLCH | oklch(39.9% 0.11 308.2) |
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 #583474 | 9.72:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #583474 | 2.15:1 | Fails | Lc 11.7 | Not readable |
| #583474 text on white | 9.72:1 | AAA | Lc 92.3 | Preferred for body text |
| #583474 text on black | 2.15:1 | Fails | Lc -10.1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F1
oklch(88.5% 0.045 307.2)
-
Step 300
300
#CFB3EA
oklch(80.9% 0.082 307.7)
-
Step 400
400
#B889DF
oklch(70.8% 0.131 308.5)
-
Step 500
500
#A668D6
oklch(63% 0.169 308.3)
-
Step 600
600
#914DC3
oklch(55.6% 0.182 308.1)
-
Step 700
700
#7C3DA9
oklch(49.2% 0.17 308.2)
-
Step 800
800
#653389
oklch(42.8% 0.141 308.4)
-
Step 900
900 (this color)
#583474
oklch(39.9% 0.11 308.2)
-
Step 950
950
#301C40
oklch(27.1% 0.068 308.1)
#583474 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) | #214376 | 0.088 |
| Deuteranopia (no green cones) | #2C4572 | 0.081 |
| Tritanopia (no blue cones) | #543F4F | 0.077 |
| Achromatopsia (no color) | #444444 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583474
#583474
oklch(39.9% 0.11 308.2)
- #365100
#365100
oklch(39.8% 0.105 128.3)
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 #583474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.050
- Rebecca Purple #663399 ΔE 0.066
- Blueberry #464196 ΔE 0.068
- Twilight #4E518B ΔE 0.080
- Grape Purple #5D1451 ΔE 0.082
- Dusk #4E5481 ΔE 0.086
- Indigo #4B0082 ΔE 0.093
- Rich Purple #720058 ΔE 0.095
Use #583474 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.