#491A56
Closest named color: Plum Purple (#4E0550). oklch(31.9% 0.111 318.2), rgb(73, 26, 86).
Aa
White text reads best on this color (13.41:1).
About this color
#491A56 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.111 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 0.033 away. White text reads best on it, at 13.41:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.56:1 |
| White text | 13.41:1 |
Values
| HEX | #491A56 |
| RGB | rgb(73, 26, 86) |
| HSL | hsl(287, 54%, 22%) |
| OKLCH | oklch(31.9% 0.111 318.2) |
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 #491A56 | 13.41:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #491A56 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #491A56 text on white | 13.41:1 | AAA | Lc 99.3 | Preferred for body text |
| #491A56 text on black | 1.56:1 | 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 950.
-
Step 50
50
#FBF2FD
oklch(97.1% 0.017 320.1)
-
Step 100
100
#F5E2FB
oklch(93.5% 0.039 318.1)
-
Step 200
200
#EECAF9
oklch(88.4% 0.074 318.2)
-
Step 300
300
#E4A5F7
oklch(80.9% 0.131 318.2)
-
Step 400
400
#D56DF3
oklch(70.6% 0.21 318.2)
-
Step 500
500
#C934EF
oklch(63.1% 0.27 318.2)
-
Step 600
600
#B000D5
oklch(55.7% 0.27 318.2)
-
Step 700
700
#9500B4
oklch(49.2% 0.238 318.4)
-
Step 800
800
#7A0095
oklch(42.6% 0.207 318)
-
Step 900
900
#66087B
oklch(37.8% 0.176 318.6)
-
Step 950
950 (this color)
#491A56
oklch(31.9% 0.111 318.2)
#491A56 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) | #062C58 | 0.109 |
| Deuteranopia (no green cones) | #1D3055 | 0.093 |
| Tritanopia (no blue cones) | #492535 | 0.071 |
| Achromatopsia (no color) | #2F2F2F | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491A56
#491A56
oklch(31.9% 0.111 318.2)
- #133D00
#133D00
oklch(31.8% 0.099 138.3)
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 #491A56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.033
- Deep Violet #490648 ΔE 0.039
- Grape Purple #5D1451 ΔE 0.045
- Eggplant Purple #430541 ΔE 0.052
- Royal Purple #4B006E ΔE 0.054
- Aubergine #3D0734 ΔE 0.074
- Dark Purple #35063E ΔE 0.074
- Deep Purple #36013F ΔE 0.077
Use #491A56 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.