#491E58
Closest named color: Plum Purple (#4E0550). oklch(32.6% 0.107 316.4), rgb(73, 30, 88).
Aa
White text reads best on this color (13.04:1).
About this color
#491E58 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.107 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.041 away. White text reads best on it, at 13.04:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.60:1 |
| White text | 13.04:1 |
Values
| HEX | #491E58 |
| RGB | rgb(73, 30, 88) |
| HSL | hsl(284, 49%, 23%) |
| OKLCH | oklch(32.6% 0.107 316.4) |
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 #491E58 | 13.04:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #491E58 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #491E58 text on white | 13.04:1 | AAA | Lc 98.9 | Preferred for body text |
| #491E58 text on black | 1.60:1 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1ED
oklch(88.5% 0.043 316.4)
-
Step 300
300
#D6B1E4
oklch(80.9% 0.081 316.7)
-
Step 400
400
#C086D6
oklch(70.6% 0.129 316.4)
-
Step 500
500
#B065CB
oklch(63.1% 0.165 316.5)
-
Step 600
600
#9B4AB8
oklch(55.7% 0.178 316.2)
-
Step 700
700
#843A9E
oklch(49.1% 0.166 316.3)
-
Step 800
800
#6C3180
oklch(42.8% 0.137 316.7)
-
Step 900
900 (this color)
#491E58
oklch(32.6% 0.107 316.4)
-
Step 950
950
#331A3C
oklch(26.9% 0.068 316.5)
#491E58 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) | #0C2E5A | 0.101 |
| Deuteranopia (no green cones) | #1F3257 | 0.087 |
| Tritanopia (no blue cones) | #482838 | 0.069 |
| Achromatopsia (no color) | #313131 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491E58
#491E58
oklch(32.6% 0.107 316.4)
- #193F00
#193F00
oklch(32.7% 0.098 136.5)
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 #491E58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.041
- Grape Purple #5D1451 ΔE 0.046
- Deep Violet #490648 ΔE 0.048
- Royal Purple #4B006E ΔE 0.057
- Eggplant Purple #430541 ΔE 0.060
- Aubergine #3D0734 ΔE 0.080
- Dark Purple #35063E ΔE 0.081
- Indigo #4B0082 ΔE 0.081
Use #491E58 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.