#582E7A
Closest named color: Dark Slate Blue (#483D8B). oklch(39.3% 0.127 307), rgb(88, 46, 122).
Aa
White text reads best on this color (10.06:1).
About this color
#582E7A is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.127 and its hue 307°. 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 10.06:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #582E7A |
| RGB | rgb(88, 46, 122) |
| HSL | hsl(273, 45%, 33%) |
| OKLCH | oklch(39.3% 0.127 307) |
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 #582E7A | 10.06:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #582E7A | 2.08:1 | Fails | Lc 11.0 | Not readable |
| #582E7A text on white | 10.06:1 | AAA | Lc 92.9 | Preferred for body text |
| #582E7A text on black | 2.08:1 | Fails | Lc -9.5 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F9
oklch(93.6% 0.029 308.1)
-
Step 200
200
#E2D1F5
oklch(88.6% 0.052 306.6)
-
Step 300
300
#D1B1F1
oklch(81% 0.095 307.2)
-
Step 400
400
#BA85EA
oklch(70.8% 0.152 307.1)
-
Step 500
500
#A961E4
oklch(63.1% 0.196 307)
-
Step 600
600
#9443D1
oklch(55.6% 0.211 306.9)
-
Step 700
700
#7E33B5
oklch(49.1% 0.196 306.8)
-
Step 800
800
#672C93
oklch(42.8% 0.163 307)
-
Step 900
900 (this color)
#582E7A
oklch(39.3% 0.127 307)
-
Step 950
950
#311945
oklch(27% 0.082 306.9)
#582E7A 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) | #0C407C | 0.107 |
| Deuteranopia (no green cones) | #214278 | 0.095 |
| Tritanopia (no blue cones) | #533D4F | 0.092 |
| Achromatopsia (no color) | #424242 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582E7A
#582E7A
oklch(39.3% 0.127 307)
- #374F00
#374F00
oklch(39.3% 0.101 127)
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 #582E7A, 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 0.058
- Blueberry #464196 ΔE 0.068
- Indigo #4B0082 ΔE 0.077
- Grape Purple #5D1451 ΔE 0.081
- Royal Purple #4B006E ΔE 0.082
- Twilight #4E518B ΔE 0.090
- Purple #800080 ΔE 0.092
Use #582E7A 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.