#A636C2
Closest named color: Dark Orchid (#9932CC). oklch(55.5% 0.219 318.7), rgb(166, 54, 194).
Aa
White text reads best on this color (5.34:1).
About this color
#A636C2 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.219 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.033 away. White text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.219) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #A636C2 |
| RGB | rgb(166, 54, 194) |
| HSL | hsl(288, 56%, 49%) |
| OKLCH | oklch(55.5% 0.219 318.7) |
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 #A636C2 | 5.34:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #A636C2 | 3.92:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A636C2 text on white | 5.34:1 | AA | Lc 75.6 | Fine for body text |
| #A636C2 text on black | 3.92:1 | AA large text | Lc -26.2 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F6
oklch(93.5% 0.028 318.7)
-
Step 200
200
#E9CEF1
oklch(88.5% 0.055 318.4)
-
Step 300
300
#DCACE9
oklch(80.8% 0.099 319)
-
Step 400
400
#CA7EDE
oklch(70.8% 0.157 319.1)
-
Step 500
500
#BB58D5
oklch(63.2% 0.2 318.8)
-
Step 600
600 (this color)
#A636C2
oklch(55.5% 0.219 318.7)
-
Step 700
700
#8E26A8
oklch(49% 0.204 318.5)
-
Step 800
800
#742388
oklch(42.8% 0.168 318.8)
-
Step 900
900
#5E236D
oklch(37.7% 0.132 318.9)
-
Step 950
950
#371640
oklch(27% 0.084 318.6)
#A636C2 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) | #0064C6 | 0.213 |
| Deuteranopia (no green cones) | #3E6EBF | 0.188 |
| Tritanopia (no blue cones) | #A65279 | 0.137 |
| Achromatopsia (no color) | #6B6B6B | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A636C2
#A636C2
oklch(55.5% 0.219 318.7)
- #318900
#318900
oklch(55.5% 0.174 138.8)
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 #A636C2, closest first.
No curated palette has a color within ΔE 0.04 of #A636C2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.033
- Purply #983FB2 ΔE 0.037
- Vibrant Purple #AD03DE ΔE 0.058
- Dark Violet #9400D3 ΔE 0.069
- Medium Orchid #BA55D3 ΔE 0.072
- Purpley Pink #C83CB9 ΔE 0.072
- Amethyst #9B5FC0 ΔE 0.078
- Blue Violet #8A2BE2 ΔE 0.080
Use #A636C2 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.