#491E56
Closest named color: Plum Purple (#4E0550). oklch(32.4% 0.105 317.7), rgb(73, 30, 86).
Aa
White text reads best on this color (13.09:1).
About this color
#491E56 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.105 and its hue 318°. 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 13.09:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.60:1 |
| White text | 13.09:1 |
Values
| HEX | #491E56 |
| RGB | rgb(73, 30, 86) |
| HSL | hsl(286, 48%, 23%) |
| OKLCH | oklch(32.4% 0.105 317.7) |
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 #491E56 | 13.09:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #491E56 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #491E56 text on white | 13.09:1 | AAA | Lc 99.0 | Preferred for body text |
| #491E56 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
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D6B1E2
oklch(80.9% 0.079 317.8)
-
Step 400
400
#C187D4
oklch(70.8% 0.126 317.6)
-
Step 500
500
#B066C8
oklch(63.1% 0.16 317.4)
-
Step 600
600
#9C4AB4
oklch(55.6% 0.175 318)
-
Step 700
700
#853B9B
oklch(49.2% 0.162 317.8)
-
Step 800
800
#6C317E
oklch(42.7% 0.135 317.6)
-
Step 900
900 (this color)
#491E56
oklch(32.4% 0.105 317.7)
-
Step 950
950
#331B3B
oklch(27% 0.065 317.2)
#491E56 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) | #0F2E58 | 0.099 |
| Deuteranopia (no green cones) | #203255 | 0.086 |
| Tritanopia (no blue cones) | #492737 | 0.066 |
| Achromatopsia (no color) | #313131 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491E56
#491E56
oklch(32.4% 0.105 317.7)
- #163F00
#163F00
oklch(32.5% 0.1 137.6)
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 #491E56, 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 0.045
- Deep Violet #490648 ΔE 0.046
- Eggplant Purple #430541 ΔE 0.058
- Royal Purple #4B006E ΔE 0.060
- Aubergine #3D0734 ΔE 0.078
- Dark Purple #35063E ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.081
Use #491E56 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.