#A1639B
Closest named color: Dark Lilac (#9C6DA5). oklch(58.7% 0.11 330.4), rgb(161, 99, 155).
Aa
Black text reads best on this color (4.77:1).
About this color
#A1639B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.110 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lilac (#9C6DA5), ΔE 0.026 away. Black text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Lilac (#9C6DA5) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #A1639B |
| RGB | rgb(161, 99, 155) |
| HSL | hsl(306, 25%, 51%) |
| OKLCH | oklch(58.7% 0.11 330.4) |
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 #A1639B | 4.39:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #A1639B | 4.77:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #A1639B text on white | 4.39:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #A1639B text on black | 4.77:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7EE
oklch(93.7% 0.013 333)
-
Step 200
200
#E4D3E2
oklch(88.5% 0.027 329.5)
-
Step 300
300
#D4B6D0
oklch(81% 0.049 330.4)
-
Step 400
400
#BD8FB8
oklch(70.7% 0.079 330.1)
-
Step 500
500
#AC72A6
oklch(63% 0.101 330.4)
-
Step 600
600 (this color)
#A1639B
oklch(58.7% 0.11 330.4)
-
Step 700
700
#814A7C
oklch(49.2% 0.102 330.3)
-
Step 800
800
#693D65
oklch(42.8% 0.084 330.2)
-
Step 900
900
#553452
oklch(37.6% 0.066 330)
-
Step 950
950
#321F30
oklch(27.1% 0.041 330.4)
#A1639B 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) | #61739D | 0.105 |
| Deuteranopia (no green cones) | #707B99 | 0.097 |
| Tritanopia (no blue cones) | #A66778 | 0.059 |
| Achromatopsia (no color) | #787878 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1639B
#A1639B
oklch(58.7% 0.11 330.4)
- #468F59
#468F59
oklch(58.8% 0.11 150.3)
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 #A1639B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lilac #9C6DA5 ΔE 0.026
- Faded Purple #916E99 ΔE 0.038
- Light Plum #9D5783 ΔE 0.042
- Soft Purple #A66FB5 ΔE 0.045
- Dark Lavender #856798 ΔE 0.049
- Deep Lilac #966EBD ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.061
- Amethyst #9B5FC0 ΔE 0.062
Use #A1639B 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.