#A3739B
Closest named color: Dark Lilac (#9C6DA5). oklch(61.7% 0.082 332.5), rgb(163, 115, 155).
Aa
Black text reads best on this color (5.48:1).
About this color
#A3739B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.082 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lilac (#9C6DA5), ΔE 0.029 away. Black text reads best on it, at 5.48:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Lilac (#9C6DA5) |
| Black text | 5.48:1 |
| White text | 3.83:1 |
Values
| HEX | #A3739B |
| RGB | rgb(163, 115, 155) |
| HSL | hsl(310, 21%, 55%) |
| OKLCH | oklch(61.7% 0.082 332.5) |
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 #A3739B | 3.83:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #A3739B | 5.48:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #A3739B text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #A3739B text on black | 5.48:1 | AA | Lc -35.9 | 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 500.
-
Step 50
50
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E3D4E0
oklch(88.6% 0.023 332.4)
-
Step 300
300
#D1B8CC
oklch(81% 0.039 332.7)
-
Step 400
400
#B992B2
oklch(70.6% 0.064 332.5)
-
Step 500
500 (this color)
#A3739B
oklch(61.7% 0.082 332.5)
-
Step 600
600
#925F8A
oklch(55.5% 0.089 332.4)
-
Step 700
700
#7C4E75
oklch(49% 0.083 332.4)
-
Step 800
800
#65405F
oklch(42.6% 0.069 332.7)
-
Step 900
900
#53374E
oklch(37.8% 0.053 333.1)
-
Step 950
950
#30202E
oklch(26.9% 0.034 330.8)
#A3739B 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) | #727E9D | 0.078 |
| Deuteranopia (no green cones) | #7E8599 | 0.073 |
| Tritanopia (no blue cones) | #A77581 | 0.042 |
| Achromatopsia (no color) | #828282 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3739B
#A3739B
oklch(61.7% 0.082 332.5)
- #5E946D
#5E946D
oklch(61.8% 0.082 152.2)
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 #A3739B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lilac #9C6DA5 ΔE 0.029
- Faded Purple #916E99 ΔE 0.034
- Purpley Grey #947E94 ΔE 0.041
- Mauve #AE7181 ΔE 0.042
- Soft Purple #A66FB5 ΔE 0.044
- Heather #A484AC ΔE 0.045
- Dusty Lavender #AC86A8 ΔE 0.052
- English Lavender #9D8189 ΔE 0.054
Use #A3739B 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.