#A183B3
Closest named color: Heather (#A484AC). oklch(65.5% 0.077 312.5), rgb(161, 131, 179).
Aa
Black text reads best on this color (6.41:1).
About this color
#A183B3 is a medium-light, moderately saturated purple. In OKLCH its lightness is 65%, its chroma 0.077 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Heather (#A484AC), ΔE 0.013 away. Black text reads best on it, at 6.41:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Heather (#A484AC) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #A183B3 |
| RGB | rgb(161, 131, 179) |
| HSL | hsl(278, 24%, 61%) |
| OKLCH | oklch(65.5% 0.077 312.5) |
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 #A183B3 | 3.27:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #A183B3 | 6.41:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #A183B3 text on white | 3.27:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #A183B3 text on black | 6.41:1 | AA | Lc -41.7 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E3
oklch(88.4% 0.021 313.8)
-
Step 300
300
#C9BAD3
oklch(80.9% 0.038 312)
-
Step 400
400
#AE96BC
oklch(70.7% 0.061 313)
-
Step 500
500 (this color)
#A183B3
oklch(65.5% 0.077 312.5)
-
Step 600
600
#846597
oklch(55.7% 0.083 312.1)
-
Step 700
700
#705381
oklch(49.1% 0.079 312.5)
-
Step 800
800
#5B4469
oklch(42.6% 0.066 312.1)
-
Step 900
900
#4B3A55
oklch(37.8% 0.05 312.6)
-
Step 950
950
#2C2232
oklch(27.1% 0.032 312.5)
#A183B3 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) | #7C8CB5 | 0.056 |
| Deuteranopia (no green cones) | #828FB1 | 0.054 |
| Tritanopia (no blue cones) | #A08994 | 0.055 |
| Achromatopsia (no color) | #8E8E8E | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A183B3
#A183B3
oklch(65.5% 0.077 312.5)
- #7F9B6A
#7F9B6A
oklch(65.5% 0.077 132.4)
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 #A183B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Heather #A484AC ΔE 0.013
- Dusty Lavender #AC86A8 ΔE 0.027
- Wisteria #A87DC2 ΔE 0.033
- Purpley Grey #947E94 ΔE 0.051
- Soft Purple #A66FB5 ΔE 0.052
- Dark Lilac #9C6DA5 ΔE 0.057
- English Lavender #9D8189 ΔE 0.063
- Deep Lilac #966EBD ΔE 0.065
Use #A183B3 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.