#531D55
Closest named color: Grape Purple (#5D1451). oklch(33.7% 0.111 326.3), rgb(83, 29, 85).
Aa
White text reads best on this color (12.53:1).
About this color
#531D55 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.111 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 0.025 away. White text reads best on it, at 12.53:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.67:1 |
| White text | 12.53:1 |
Values
| HEX | #531D55 |
| RGB | rgb(83, 29, 85) |
| HSL | hsl(298, 49%, 22%) |
| OKLCH | oklch(33.7% 0.111 326.3) |
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 #531D55 | 12.53:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #531D55 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #531D55 text on white | 12.53:1 | AAA | Lc 97.9 | Preferred for body text |
| #531D55 text on black | 1.67:1 | 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F3E5F3
oklch(93.7% 0.024 325.8)
-
Step 200
200
#EACFEA
oklch(88.5% 0.047 326)
-
Step 300
300
#DDAEDE
oklch(80.8% 0.084 325.7)
-
Step 400
400
#CB82CD
oklch(70.8% 0.133 325.9)
-
Step 500
500
#BC5FBF
oklch(63.1% 0.169 326.2)
-
Step 600
600
#A841AB
oklch(55.6% 0.186 326.6)
-
Step 700
700
#903293
oklch(49.1% 0.172 326.5)
-
Step 800
800
#752B77
oklch(42.7% 0.142 326.7)
-
Step 900
900 (this color)
#531D55
oklch(33.7% 0.111 326.3)
-
Step 950
950
#381838
oklch(27% 0.071 327.3)
#531D55 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) | #152F57 | 0.113 |
| Deuteranopia (no green cones) | #283653 | 0.098 |
| Tritanopia (no blue cones) | #552436 | 0.062 |
| Achromatopsia (no color) | #343434 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #531D55
#531D55
oklch(33.7% 0.111 326.3)
- #004411
#004411
oklch(33.7% 0.102 146.2)
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 #531D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.025
- Plum Purple #4E0550 ΔE 0.041
- Deep Violet #490648 ΔE 0.051
- Eggplant Purple #430541 ΔE 0.066
- Royal Purple #4B006E ΔE 0.066
- Rich Purple #720058 ΔE 0.069
- Velvet #750851 ΔE 0.074
- Merlot #730039 ΔE 0.085
Use #531D55 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.