#491A5F
Closest named color: Plum Purple (#4E0550). oklch(32.5% 0.121 312.9), rgb(73, 26, 95).
Aa
White text reads best on this color (13.15:1).
About this color
#491A5F is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.121 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.040 away. White text reads best on it, at 13.15:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #491A5F |
| RGB | rgb(73, 26, 95) |
| HSL | hsl(281, 57%, 24%) |
| OKLCH | oklch(32.5% 0.121 312.9) |
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 #491A5F | 13.15:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #491A5F | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #491A5F text on white | 13.15:1 | AAA | Lc 98.9 | Preferred for body text |
| #491A5F text on black | 1.59:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E5D0F1
oklch(88.5% 0.05 313.4)
-
Step 300
300
#D5B0EB
oklch(80.9% 0.09 312.7)
-
Step 400
400
#C083E1
oklch(70.6% 0.147 312.9)
-
Step 500
500
#B060D8
oklch(63.1% 0.187 313.1)
-
Step 600
600
#9B42C5
oklch(55.5% 0.203 313)
-
Step 700
700
#8433AA
oklch(49% 0.187 312.8)
-
Step 800
800
#6C2C8A
oklch(42.8% 0.155 313.1)
-
Step 900
900 (this color)
#491A5F
oklch(32.5% 0.121 312.9)
-
Step 950
950
#331941
oklch(27% 0.077 312.4)
#491A5F 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) | #002E61 | 0.111 |
| Deuteranopia (no green cones) | #15315D | 0.099 |
| Tritanopia (no blue cones) | #47283A | 0.081 |
| Achromatopsia (no color) | #303030 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491A5F
#491A5F
oklch(32.5% 0.121 312.9)
- #203D00
#203D00
oklch(32.4% 0.091 132.9)
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 #491A5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.040
- Royal Purple #4B006E ΔE 0.042
- Deep Violet #490648 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.052
- Eggplant Purple #430541 ΔE 0.064
- Indigo #4B0082 ΔE 0.066
- Dark Purple #35063E ΔE 0.083
- Deep Purple #36013F ΔE 0.085
Use #491A5F 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.