#A3739E
Closest named color: Dark Lilac (#9C6DA5). oklch(61.9% 0.085 330.2), rgb(163, 115, 158).
Aa
Black text reads best on this color (5.50:1).
About this color
#A3739E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.085 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 0.025 away. Black text reads best on it, at 5.50:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Lilac (#9C6DA5) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #A3739E |
| RGB | rgb(163, 115, 158) |
| HSL | hsl(306, 21%, 55%) |
| OKLCH | oklch(61.9% 0.085 330.2) |
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 #A3739E | 3.81:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #A3739E | 5.50:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #A3739E text on white | 3.81:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #A3739E text on black | 5.50:1 | AA | Lc -36.1 | 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
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E2D4E0
oklch(88.5% 0.022 330.3)
-
Step 300
300
#D1B7CD
oklch(80.8% 0.042 331)
-
Step 400
400
#B992B4
oklch(70.7% 0.066 330.6)
-
Step 500
500 (this color)
#A3739E
oklch(61.9% 0.085 330.2)
-
Step 600
600
#925F8D
oklch(55.7% 0.092 330.2)
-
Step 700
700
#7C4E78
oklch(49.1% 0.086 329.9)
-
Step 800
800
#654061
oklch(42.7% 0.071 330.6)
-
Step 900
900
#52374F
oklch(37.7% 0.054 330.5)
-
Step 950
950
#30202F
oklch(27% 0.036 328.6)
#A3739E 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) | #717FA0 | 0.080 |
| Deuteranopia (no green cones) | #7D859C | 0.074 |
| Tritanopia (no blue cones) | #A77682 | 0.046 |
| Achromatopsia (no color) | #838383 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3739E
#A3739E
oklch(61.9% 0.085 330.2)
- #5F946B
#5F946B
oklch(61.8% 0.084 150.5)
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 #A3739E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lilac #9C6DA5 ΔE 0.025
- Faded Purple #916E99 ΔE 0.035
- Soft Purple #A66FB5 ΔE 0.040
- Purpley Grey #947E94 ΔE 0.043
- Heather #A484AC ΔE 0.044
- Mauve #AE7181 ΔE 0.046
- Dusty Lavender #AC86A8 ΔE 0.052
- Wisteria #A87DC2 ΔE 0.055
Use #A3739E 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.