#591B5D
Closest named color: Grape Purple (#5D1451). oklch(34.9% 0.125 325.3), rgb(89, 27, 93).
Aa
White text reads best on this color (12.07:1).
About this color
#591B5D is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.125 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 0.024 away. White text reads best on it, at 12.07:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.73:1 |
| White text | 12.07:1 |
Values
| HEX | #591B5D |
| RGB | rgb(89, 27, 93) |
| HSL | hsl(296, 55%, 24%) |
| OKLCH | oklch(34.9% 0.125 325.3) |
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 #591B5D | 12.07:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #591B5D | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #591B5D text on white | 12.07:1 | AAA | Lc 96.9 | Preferred for body text |
| #591B5D text on black | 1.73:1 | 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
#ECCEEC
oklch(88.5% 0.052 326)
-
Step 300
300
#E0ACE2
oklch(80.9% 0.094 325.2)
-
Step 400
400
#CF7DD3
oklch(70.7% 0.15 325.4)
-
Step 500
500
#C157C8
oklch(63.1% 0.193 325.1)
-
Step 600
600
#AC36B4
oklch(55.5% 0.209 325.2)
-
Step 700
700
#94279B
oklch(49.2% 0.195 325.4)
-
Step 800
800
#78237E
oklch(42.7% 0.161 325.1)
-
Step 900
900 (this color)
#591B5D
oklch(34.9% 0.125 325.3)
-
Step 950
950
#39163B
oklch(27% 0.079 325.4)
#591B5D 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) | #0E315F | 0.129 |
| Deuteranopia (no green cones) | #28395B | 0.111 |
| Tritanopia (no blue cones) | #5B2539 | 0.073 |
| Achromatopsia (no color) | #363636 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591B5D
#591B5D
oklch(34.9% 0.125 325.3)
- #00480F
#00480F
oklch(34.9% 0.109 145.3)
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 #591B5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.024
- Plum Purple #4E0550 ΔE 0.048
- Rich Purple #720058 ΔE 0.057
- Royal Purple #4B006E ΔE 0.061
- Deep Violet #490648 ΔE 0.061
- Velvet #750851 ΔE 0.065
- Eggplant Purple #430541 ΔE 0.079
- Indigo #4B0082 ΔE 0.082
Use #591B5D 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.