#591E64
Closest named color: Grape Purple (#5D1451). oklch(35.8% 0.128 321), rgb(89, 30, 100).
Aa
White text reads best on this color (11.70:1).
About this color
#591E64 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.128 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 11.70:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.79:1 |
| White text | 11.70:1 |
Values
| HEX | #591E64 |
| RGB | rgb(89, 30, 100) |
| HSL | hsl(291, 54%, 25%) |
| OKLCH | oklch(35.8% 0.128 321) |
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 #591E64 | 11.70:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #591E64 | 1.79:1 | Fails | Lc 7.7 | Not readable |
| #591E64 text on white | 11.70:1 | AAA | Lc 96.2 | Preferred for body text |
| #591E64 text on black | 1.79:1 | 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
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EACEEF
oklch(88.5% 0.054 321.1)
-
Step 300
300
#DDACE7
oklch(80.8% 0.097 320.6)
-
Step 400
400
#CB7EDA
oklch(70.7% 0.153 320.9)
-
Step 500
500
#BD58D0
oklch(63.1% 0.197 321.1)
-
Step 600
600
#A837BD
oklch(55.6% 0.214 320.9)
-
Step 700
700
#9028A3
oklch(49.2% 0.198 320.9)
-
Step 800
800
#752484
oklch(42.8% 0.164 320.9)
-
Step 900
900 (this color)
#591E64
oklch(35.8% 0.128 321)
-
Step 950
950
#38163E
oklch(27% 0.082 321.4)
#591E64 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) | #093466 | 0.128 |
| Deuteranopia (no green cones) | #253A62 | 0.110 |
| Tritanopia (no blue cones) | #5A2A3E | 0.078 |
| Achromatopsia (no color) | #383838 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591E64
#591E64
oklch(35.8% 0.128 321)
- #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 #591E64, 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 0.057
- Royal Purple #4B006E ΔE 0.058
- Rich Purple #720058 ΔE 0.062
- Velvet #750851 ΔE 0.070
- Deep Violet #490648 ΔE 0.071
- Indigo #4B0082 ΔE 0.075
- Eggplant Purple #430541 ΔE 0.089
Use #591E64 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.