#491657
Closest named color: Plum Purple (#4E0550). oklch(31.4% 0.118 318.1), rgb(73, 22, 87).
Aa
White text reads best on this color (13.67:1).
About this color
#491657 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.118 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 0.027 away. White text reads best on it, at 13.67:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.53:1 |
| White text | 13.67:1 |
Values
| HEX | #491657 |
| RGB | rgb(73, 22, 87) |
| HSL | hsl(287, 60%, 21%) |
| OKLCH | oklch(31.4% 0.118 318.1) |
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 #491657 | 13.67:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #491657 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #491657 text on white | 13.67:1 | AAA | Lc 99.6 | Preferred for body text |
| #491657 text on black | 1.53:1 | 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
#FBF2FE
oklch(97.2% 0.018 317.7)
-
Step 100
100
#F6E2FC
oklch(93.7% 0.041 318.4)
-
Step 200
200
#EFC9FB
oklch(88.4% 0.079 318)
-
Step 300
300
#E6A3FB
oklch(80.9% 0.139 317.9)
-
Step 400
400
#D868F9
oklch(70.7% 0.225 317.9)
-
Step 500
500
#CC25F5
oklch(63.1% 0.287 318.1)
-
Step 600
600
#B000D5
oklch(55.7% 0.27 318.2)
-
Step 700
700
#9400B4
oklch(49% 0.238 318.1)
-
Step 800
800
#7A0095
oklch(42.6% 0.207 318)
-
Step 900
900
#67007E
oklch(37.8% 0.183 318.1)
-
Step 950
950 (this color)
#491657
oklch(31.4% 0.118 318.1)
#491657 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) | #002A59 | 0.116 |
| Deuteranopia (no green cones) | #192F55 | 0.101 |
| Tritanopia (no blue cones) | #492234 | 0.075 |
| Achromatopsia (no color) | #2E2E2E | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491657
#491657
oklch(31.4% 0.118 318.1)
- #133C00
#133C00
oklch(31.4% 0.097 138.1)
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 #491657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.027
- Deep Violet #490648 ΔE 0.035
- Grape Purple #5D1451 ΔE 0.047
- Royal Purple #4B006E ΔE 0.048
- Eggplant Purple #430541 ΔE 0.049
- Dark Purple #35063E ΔE 0.071
- Aubergine #3D0734 ΔE 0.072
- Deep Purple #36013F ΔE 0.073
Use #491657 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.