#A3399A
Closest named color: Warm Purple (#952E8F). oklch(53.1% 0.18 331.3), rgb(163, 57, 154).
Aa
White text reads best on this color (5.81:1).
About this color
#A3399A is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.180 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Warm Purple (#952E8F), ΔE 0.038 away. White text reads best on it, at 5.81:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Warm Purple (#952E8F) |
| Black text | 3.60:1 |
| White text | 5.81:1 |
Values
| HEX | #A3399A |
| RGB | rgb(163, 57, 154) |
| HSL | hsl(305, 48%, 43%) |
| OKLCH | oklch(53.1% 0.18 331.3) |
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 #A3399A | 5.81:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #A3399A | 3.60:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #A3399A text on white | 5.81:1 | AA | Lc 78.3 | Fine for body text |
| #A3399A text on black | 3.60:1 | AA large text | Lc -23.5 | Dividers and decoration only |
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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F4E4F1
oklch(93.5% 0.024 331.9)
-
Step 200
200
#EBCFE7
oklch(88.5% 0.044 330.6)
-
Step 300
300
#E0AED9
oklch(80.9% 0.081 331.1)
-
Step 400
400
#CF81C5
oklch(70.7% 0.13 331.6)
-
Step 500
500
#C05EB6
oklch(63% 0.165 331.3)
-
Step 600
600 (this color)
#A3399A
oklch(53.1% 0.18 331.3)
-
Step 700
700
#93328B
oklch(49.1% 0.167 331.2)
-
Step 800
800
#772B71
oklch(42.7% 0.138 330.9)
-
Step 900
900
#61285B
oklch(37.8% 0.108 331.7)
-
Step 950
950
#391835
oklch(27% 0.068 332)
#A3399A 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) | #335C9D | 0.188 |
| Deuteranopia (no green cones) | #576A97 | 0.163 |
| Tritanopia (no blue cones) | #A94464 | 0.096 |
| Achromatopsia (no color) | #656565 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3399A
#A3399A
oklch(53.1% 0.18 331.3)
- #00823E
#00823E
oklch(53.1% 0.142 151.2)
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 #A3399A, closest first.
No curated palette has a color within ΔE 0.04 of #A3399A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Purple #952E8F ΔE 0.038
- Purply #983FB2 ΔE 0.044
- Light Eggplant #894585 ΔE 0.063
- Medium Violet Red #C71585 ΔE 0.080
- Light Plum #9D5783 ΔE 0.080
- Purpley Pink #C83CB9 ΔE 0.084
- Dark Orchid #9932CC ΔE 0.085
- Deep Lavender #8D5EB7 ΔE 0.087
Use #A3399A 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.