#591B5E
Closest named color: Grape Purple (#5D1451). oklch(35% 0.126 324.7), rgb(89, 27, 94).
Aa
White text reads best on this color (12.04:1).
About this color
#591B5E is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.126 and its hue 325°. 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 12.04:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.74:1 |
| White text | 12.04:1 |
Values
| HEX | #591B5E |
| RGB | rgb(89, 27, 94) |
| HSL | hsl(296, 55%, 24%) |
| OKLCH | oklch(35% 0.126 324.7) |
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 #591B5E | 12.04:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #591B5E | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #591B5E text on white | 12.04:1 | AAA | Lc 96.8 | Preferred for body text |
| #591B5E 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
#F4E4F4
oklch(93.6% 0.027 325.8)
-
Step 200
200
#ECCEED
oklch(88.6% 0.053 325)
-
Step 300
300
#E0ACE3
oklch(80.9% 0.095 324.6)
-
Step 400
400
#CF7DD5
oklch(70.8% 0.152 324.6)
-
Step 500
500
#C157C9
oklch(63.2% 0.194 324.8)
-
Step 600
600
#AC36B6
oklch(55.6% 0.211 324.6)
-
Step 700
700
#93269C
oklch(49% 0.196 324.6)
-
Step 800
800
#78237F
oklch(42.8% 0.162 324.6)
-
Step 900
900 (this color)
#591B5E
oklch(35% 0.126 324.7)
-
Step 950
950
#39163C
oklch(27.1% 0.08 324.4)
#591B5E 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) | #0C3160 | 0.131 |
| Deuteranopia (no green cones) | #27395C | 0.112 |
| Tritanopia (no blue cones) | #5B253A | 0.073 |
| Achromatopsia (no color) | #363636 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591B5E
#591B5E
oklch(35% 0.126 324.7)
- #00480D
#00480D
oklch(34.9% 0.11 144.8)
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 #591B5E, 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 0.048
- Rich Purple #720058 ΔE 0.057
- Royal Purple #4B006E ΔE 0.060
- Deep Violet #490648 ΔE 0.062
- Velvet #750851 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.080
- Indigo #4B0082 ΔE 0.081
Use #591B5E 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.