#591D64
Closest named color: Grape Purple (#5D1451). oklch(35.6% 0.129 321.1), rgb(89, 29, 100).
Aa
White text reads best on this color (11.76:1).
About this color
#591D64 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.129 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.036 away. White text reads best on it, at 11.76:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.78:1 |
| White text | 11.76:1 |
Values
| HEX | #591D64 |
| RGB | rgb(89, 29, 100) |
| HSL | hsl(291, 55%, 25%) |
| OKLCH | oklch(35.6% 0.129 321.1) |
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 #591D64 | 11.76:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #591D64 | 1.78:1 | Fails | Lc 7.6 | Not readable |
| #591D64 text on white | 11.76:1 | AAA | Lc 96.3 | Preferred for body text |
| #591D64 text on black | 1.78:1 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEEF
oklch(88.5% 0.054 321.1)
-
Step 300
300
#DEACE7
oklch(80.9% 0.098 321.2)
-
Step 400
400
#CC7DDB
oklch(70.7% 0.156 321)
-
Step 500
500
#BD57D0
oklch(63% 0.198 321.1)
-
Step 600
600
#A936BD
oklch(55.6% 0.216 321.3)
-
Step 700
700
#9026A3
oklch(49% 0.2 321)
-
Step 800
800
#752384
oklch(42.7% 0.165 321)
-
Step 900
900 (this color)
#591D64
oklch(35.6% 0.129 321.1)
-
Step 950
950
#38163E
oklch(27% 0.082 321.4)
#591D64 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) | #073466 | 0.130 |
| Deuteranopia (no green cones) | #253A62 | 0.111 |
| Tritanopia (no blue cones) | #5A293E | 0.078 |
| Achromatopsia (no color) | #383838 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591D64
#591D64
oklch(35.6% 0.129 321.1)
- #0B4A00
#0B4A00
oklch(35.7% 0.117 141)
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 #591D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.036
- Plum Purple #4E0550 ΔE 0.056
- Royal Purple #4B006E ΔE 0.057
- Rich Purple #720058 ΔE 0.061
- Deep Violet #490648 ΔE 0.070
- Velvet #750851 ΔE 0.070
- Indigo #4B0082 ΔE 0.074
- Eggplant Purple #430541 ΔE 0.088
Use #591D64 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.