#581D5B
Closest named color: Grape Purple (#5D1451). oklch(34.9% 0.12 325.8), rgb(88, 29, 91).
Aa
White text reads best on this color (12.05:1).
About this color
#581D5B is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.120 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.023 away. White text reads best on it, at 12.05:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.74:1 |
| White text | 12.05:1 |
Values
| HEX | #581D5B |
| RGB | rgb(88, 29, 91) |
| HSL | hsl(297, 52%, 24%) |
| OKLCH | oklch(34.9% 0.12 325.8) |
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 #581D5B | 12.05:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #581D5B | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #581D5B text on white | 12.05:1 | AAA | Lc 96.9 | Preferred for body text |
| #581D5B text on black | 1.74:1 | Fails | Lc 0.0 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F3
oklch(93.5% 0.026 325.8)
-
Step 200
200
#EBCEEB
oklch(88.4% 0.05 326)
-
Step 300
300
#DFADE0
oklch(80.9% 0.089 325.7)
-
Step 400
400
#CE7FD1
oklch(70.8% 0.144 325.7)
-
Step 500
500
#C05AC4
oklch(63.1% 0.184 326)
-
Step 600
600
#AB3BB1
oklch(55.7% 0.2 325.7)
-
Step 700
700
#922B98
oklch(49% 0.187 325.6)
-
Step 800
800
#77267B
oklch(42.7% 0.154 325.9)
-
Step 900
900 (this color)
#581D5B
oklch(34.9% 0.12 325.8)
-
Step 950
950
#39173A
oklch(27.1% 0.076 326.3)
#581D5B 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) | #13315D | 0.122 |
| Deuteranopia (no green cones) | #293959 | 0.107 |
| Tritanopia (no blue cones) | #5A2639 | 0.069 |
| Achromatopsia (no color) | #363636 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581D5B
#581D5B
oklch(34.9% 0.12 325.8)
- #004811
#004811
oklch(34.9% 0.107 145.8)
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 #581D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.023
- Plum Purple #4E0550 ΔE 0.048
- Rich Purple #720058 ΔE 0.060
- Deep Violet #490648 ΔE 0.061
- Royal Purple #4B006E ΔE 0.064
- Velvet #750851 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.078
- Merlot #730039 ΔE 0.084
Use #581D5B 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.