#A638B5
Closest named color: Purply (#983FB2). oklch(54.9% 0.205 322.7), rgb(166, 56, 181).
Aa
White text reads best on this color (5.44:1).
About this color
#A638B5 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.205 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.028 away. White text reads best on it, at 5.44:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.205) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #A638B5 |
| RGB | rgb(166, 56, 181) |
| HSL | hsl(293, 53%, 46%) |
| OKLCH | oklch(54.9% 0.205 322.7) |
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 #A638B5 | 5.44:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #A638B5 | 3.85:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #A638B5 text on white | 5.44:1 | AA | Lc 76.2 | Fine for body text |
| #A638B5 text on black | 3.85:1 | AA large text | Lc -25.5 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EACEED
oklch(88.4% 0.052 323)
-
Step 300
300
#DEADE4
oklch(81% 0.093 322.7)
-
Step 400
400
#CC7FD6
oklch(70.8% 0.148 322.8)
-
Step 500
500
#BD5ACB
oklch(63.1% 0.189 322.5)
-
Step 600
600 (this color)
#A638B5
oklch(54.9% 0.205 322.7)
-
Step 700
700
#902B9E
oklch(49.1% 0.191 322.5)
-
Step 800
800
#752680
oklch(42.7% 0.158 322.6)
-
Step 900
900
#5F2567
oklch(37.7% 0.123 322.7)
-
Step 950
950
#38173C
oklch(27.1% 0.077 323.2)
#A638B5 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) | #1061B9 | 0.211 |
| Deuteranopia (no green cones) | #4A6EB2 | 0.179 |
| Tritanopia (no blue cones) | #A84D72 | 0.122 |
| Achromatopsia (no color) | #6A6A6A | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A638B5
#A638B5
oklch(54.9% 0.205 322.7)
- #008A04
#008A04
oklch(54.9% 0.186 142.7)
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 #A638B5, closest first.
No curated palette has a color within ΔE 0.04 of #A638B5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.028
- Dark Orchid #9932CC ΔE 0.048
- Purpley Pink #C83CB9 ΔE 0.068
- Warm Purple #952E8F ΔE 0.068
- Amethyst #9B5FC0 ΔE 0.076
- Vibrant Purple #AD03DE ΔE 0.077
- Medium Orchid #BA55D3 ΔE 0.077
- Pinky Purple #C94CBE ΔE 0.081
Use #A638B5 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.