#591B4E
Closest named color: Grape Purple (#5D1451). oklch(34% 0.112 335.5), rgb(89, 27, 78).
Aa
White text reads best on this color (12.41:1).
About this color
#591B4E is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.112 and its hue 335°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.015 away. White text reads best on it, at 12.41:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.69:1 |
| White text | 12.41:1 |
Values
| HEX | #591B4E |
| RGB | rgb(89, 27, 78) |
| HSL | hsl(311, 53%, 23%) |
| OKLCH | oklch(34% 0.112 335.5) |
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 #591B4E | 12.41:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #591B4E | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #591B4E text on white | 12.41:1 | AAA | Lc 97.5 | Preferred for body text |
| #591B4E text on black | 1.69:1 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F5E4F0
oklch(93.6% 0.024 336.1)
-
Step 200
200
#EECEE5
oklch(88.5% 0.047 336)
-
Step 300
300
#E4ACD6
oklch(80.9% 0.085 335.6)
-
Step 400
400
#D47EC1
oklch(70.7% 0.135 335.6)
-
Step 500
500
#C65AB1
oklch(63% 0.172 335.5)
-
Step 600
600
#B13C9D
oklch(55.6% 0.186 335.3)
-
Step 700
700
#982D86
oklch(49.1% 0.173 335.4)
-
Step 800
800
#7C276D
oklch(42.8% 0.144 335.6)
-
Step 900
900 (this color)
#591B4E
oklch(34% 0.112 335.5)
-
Step 950
950
#3B1734
oklch(27.1% 0.071 335.3)
#591B4E 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) | #1B2E50 | 0.119 |
| Deuteranopia (no green cones) | #2F384C | 0.105 |
| Tritanopia (no blue cones) | #5E1F31 | 0.057 |
| Achromatopsia (no color) | #343434 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591B4E
#591B4E
oklch(34% 0.112 335.5)
- #004424
#004424
oklch(34% 0.083 155.3)
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 #591B4E, closest first.
No curated palette has a color within ΔE 0.04 of #591B4E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.015
- Plum Purple #4E0550 ΔE 0.047
- Deep Violet #490648 ΔE 0.055
- Rich Purple #720058 ΔE 0.059
- Velvet #750851 ΔE 0.061
- Merlot #730039 ΔE 0.068
- Eggplant Purple #430541 ΔE 0.070
- Burgundy #610023 ΔE 0.076
Use #591B4E 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.