#583270
Closest named color: Dark Slate Blue (#483D8B). oklch(39.3% 0.108 310.7), rgb(88, 50, 112).
Aa
White text reads best on this color (9.97:1).
About this color
#583270 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.108 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 9.97:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #583270 |
| RGB | rgb(88, 50, 112) |
| HSL | hsl(277, 38%, 32%) |
| OKLCH | oklch(39.3% 0.108 310.7) |
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 #583270 | 9.97:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #583270 | 2.10:1 | Fails | Lc 11.1 | Not readable |
| #583270 text on white | 9.97:1 | AAA | Lc 92.9 | Preferred for body text |
| #583270 text on black | 2.10:1 | Fails | Lc -9.6 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1F0
oklch(88.5% 0.046 311.2)
-
Step 300
300
#D1B2E8
oklch(80.8% 0.082 310.5)
-
Step 400
400
#BA88DC
oklch(70.6% 0.13 310.7)
-
Step 500
500
#A968D2
oklch(63.1% 0.165 310.8)
-
Step 600
600
#944CBF
oklch(55.5% 0.18 310.7)
-
Step 700
700
#7E3CA5
oklch(49% 0.168 310.6)
-
Step 800
800
#673386
oklch(42.8% 0.139 310.8)
-
Step 900
900 (this color)
#583270
oklch(39.3% 0.108 310.7)
-
Step 950
950
#311B3F
oklch(27% 0.069 310.8)
#583270 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) | #214172 | 0.090 |
| Deuteranopia (no green cones) | #2D436E | 0.081 |
| Tritanopia (no blue cones) | #553D4C | 0.076 |
| Achromatopsia (no color) | #424242 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583270
#583270
oklch(39.3% 0.108 310.7)
- #315100
#315100
oklch(39.5% 0.108 130.8)
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 #583270, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Rebecca Purple #663399 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.075
- Blueberry #464196 ΔE 0.075
- Twilight #4E518B ΔE 0.087
- Rich Purple #720058 ΔE 0.090
- Dusk #4E5481 ΔE 0.091
- Royal Purple #4B006E ΔE 0.091
Use #583270 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.