#491F58
Closest named color: Plum Purple (#4E0550). oklch(32.7% 0.105 316.2), rgb(73, 31, 88).
Aa
White text reads best on this color (12.96:1).
About this color
#491F58 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.105 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 0.043 away. White text reads best on it, at 12.96:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.62:1 |
| White text | 12.96:1 |
Values
| HEX | #491F58 |
| RGB | rgb(73, 31, 88) |
| HSL | hsl(284, 48%, 23%) |
| OKLCH | oklch(32.7% 0.105 316.2) |
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 #491F58 | 12.96:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #491F58 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #491F58 text on white | 12.96:1 | AAA | Lc 98.8 | Preferred for body text |
| #491F58 text on black | 1.62:1 | 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
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E5D1ED
oklch(88.5% 0.043 316.4)
-
Step 300
300
#D5B1E3
oklch(80.8% 0.079 316.4)
-
Step 400
400
#BF87D5
oklch(70.7% 0.126 316.1)
-
Step 500
500
#AF66CA
oklch(63.1% 0.162 316.3)
-
Step 600
600
#9A4BB7
oklch(55.6% 0.175 316)
-
Step 700
700
#843B9D
oklch(49.1% 0.163 316.5)
-
Step 800
800
#6B3280
oklch(42.8% 0.135 316)
-
Step 900
900 (this color)
#491F58
oklch(32.7% 0.105 316.2)
-
Step 950
950
#331B3C
oklch(27% 0.066 316.2)
#491F58 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) | #0E2F5A | 0.099 |
| Deuteranopia (no green cones) | #1F3357 | 0.087 |
| Tritanopia (no blue cones) | #482938 | 0.069 |
| Achromatopsia (no color) | #313131 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491F58
#491F58
oklch(32.7% 0.105 316.2)
- #1A3F00
#1A3F00
oklch(32.7% 0.098 136.1)
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 #491F58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.043
- Grape Purple #5D1451 ΔE 0.047
- Deep Violet #490648 ΔE 0.049
- Royal Purple #4B006E ΔE 0.059
- Eggplant Purple #430541 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.081
- Aubergine #3D0734 ΔE 0.082
- Dark Purple #35063E ΔE 0.082
Use #491F58 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.