#A156C8
Closest named color: Amethyst (#9B5FC0). oklch(59% 0.179 312.6), rgb(161, 86, 200).
Aa
Black text reads best on this color (4.68:1).
About this color
#A156C8 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.179 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.026 away. Black text reads best on it, at 4.68:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #A156C8 |
| RGB | rgb(161, 86, 200) |
| HSL | hsl(279, 51%, 56%) |
| OKLCH | oklch(59% 0.179 312.6) |
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 #A156C8 | 4.48:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #A156C8 | 4.68:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #A156C8 text on white | 4.48:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #A156C8 text on black | 4.68:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D3B2E7
oklch(81% 0.081 312.5)
-
Step 400
400
#BC88DA
oklch(70.7% 0.128 312.5)
-
Step 500
500
#AB67D0
oklch(63.1% 0.165 312.5)
-
Step 600
600 (this color)
#A156C8
oklch(59% 0.179 312.6)
-
Step 700
700
#803CA3
oklch(49.1% 0.166 312.3)
-
Step 800
800
#683284
oklch(42.7% 0.138 312.4)
-
Step 900
900
#552D6A
oklch(37.7% 0.108 312.6)
-
Step 950
950
#321B3E
oklch(27% 0.069 313)
#A156C8 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) | #3473CC | 0.158 |
| Deuteranopia (no green cones) | #5079C5 | 0.140 |
| Tritanopia (no blue cones) | #9D6A87 | 0.122 |
| Achromatopsia (no color) | #777777 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A156C8
#A156C8
oklch(59% 0.179 312.6)
- #549000
#549000
oklch(58.9% 0.165 132.6)
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 #A156C8, closest first.
No curated palette has a color within ΔE 0.04 of #A156C8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.026
- Deep Lavender #8D5EB7 ΔE 0.047
- Medium Orchid #BA55D3 ΔE 0.048
- Purply #983FB2 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.062
- Medium Purple #9370DB ΔE 0.063
- Purpley #8756E4 ΔE 0.065
- Lighter Purple #A55AF4 ΔE 0.066
Use #A156C8 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.