#591C57
Closest named color: Grape Purple (#5D1451). oklch(34.7% 0.118 329.1), rgb(89, 28, 87).
Aa
White text reads best on this color (12.14:1).
About this color
#591C57 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.118 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.017 away. White text reads best on it, at 12.14:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.72:1 |
| White text | 12.14:1 |
Values
| HEX | #591C57 |
| RGB | rgb(89, 28, 87) |
| HSL | hsl(302, 52%, 23%) |
| OKLCH | oklch(34.7% 0.118 329.1) |
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 #591C57 | 12.14:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #591C57 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #591C57 text on white | 12.14:1 | AAA | Lc 97.1 | Preferred for body text |
| #591C57 text on black | 1.72:1 | 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
#F4E4F2
oklch(93.6% 0.025 329.7)
-
Step 200
200
#ECCEE9
oklch(88.5% 0.049 329.2)
-
Step 300
300
#E1ACDD
oklch(80.8% 0.089 328.9)
-
Step 400
400
#D17ECC
oklch(70.8% 0.143 329.1)
-
Step 500
500
#C359BE
oklch(63.1% 0.182 329.3)
-
Step 600
600
#AE3AAA
oklch(55.6% 0.197 329.3)
-
Step 700
700
#952B92
oklch(49.1% 0.183 329.1)
-
Step 800
800
#792677
oklch(42.8% 0.152 328.8)
-
Step 900
900 (this color)
#591C57
oklch(34.7% 0.118 329.1)
-
Step 950
950
#3A1738
oklch(27.1% 0.074 329.6)
#591C57 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) | #163059 | 0.123 |
| Deuteranopia (no green cones) | #2C3955 | 0.107 |
| Tritanopia (no blue cones) | #5C2336 | 0.065 |
| Achromatopsia (no color) | #363636 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591C57
#591C57
oklch(34.7% 0.118 329.1)
- #00471A
#00471A
oklch(34.7% 0.098 148.9)
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 #591C57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.017
- Plum Purple #4E0550 ΔE 0.047
- Rich Purple #720058 ΔE 0.057
- Deep Violet #490648 ΔE 0.058
- Velvet #750851 ΔE 0.062
- Royal Purple #4B006E ΔE 0.070
- Eggplant Purple #430541 ΔE 0.075
- Merlot #730039 ΔE 0.077
Use #591C57 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.