#A399BB
Closest named color: Cool Gray (#8D99AE). oklch(70.3% 0.05 298.6), rgb(163, 153, 187).
Aa
Black text reads best on this color (7.83:1).
About this color
#A399BB is a medium-light, muted purple. In OKLCH its lightness is 70%, its chroma 0.050 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.038 away. Black text reads best on it, at 7.83:1.
| Hue family | Purples |
| Lightness | medium-light (70%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.83:1 |
| White text | 2.68:1 |
Values
| HEX | #A399BB |
| RGB | rgb(163, 153, 187) |
| HSL | hsl(258, 20%, 67%) |
| OKLCH | oklch(70.3% 0.05 298.6) |
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 #A399BB | 2.68:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #A399BB | 7.83:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #A399BB text on white | 2.68:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #A399BB text on black | 7.83:1 | AAA | Lc -49.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#DAD7E3
oklch(88.5% 0.017 297.5)
-
Step 300
300
#C3BDD3
oklch(81% 0.031 298.2)
-
Step 400
400 (this color)
#A399BB
oklch(70.3% 0.05 298.6)
-
Step 500
500
#8E81AC
oklch(63% 0.065 298.4)
-
Step 600
600
#786A97
oklch(55.5% 0.07 298.4)
-
Step 700
700
#655981
oklch(49.2% 0.064 297.8)
-
Step 800
800
#534969
oklch(42.9% 0.053 298.5)
-
Step 900
900
#443D55
oklch(37.7% 0.041 297.8)
-
Step 950
950
#282432
oklch(27.1% 0.026 297.7)
#A399BB 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) | #929EBD | 0.026 |
| Deuteranopia (no green cones) | #949EBA | 0.024 |
| Tritanopia (no blue cones) | #9F9EA4 | 0.042 |
| Achromatopsia (no color) | #9E9E9E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A399BB
#A399BB
oklch(70.3% 0.05 298.6)
- #9CA481
#9CA481
oklch(70.3% 0.05 118.2)
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 #A399BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.046
- Dusty Lavender #AC86A8 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.052
- Cool Grey #95A3A6 ΔE 0.052
- Heather #A484AC ΔE 0.054
- Light Mauve #C292A1 ΔE 0.057
Use #A399BB 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.