#A837C5
Closest named color: Dark Orchid (#9932CC). oklch(56.1% 0.221 318.5), rgb(168, 55, 197).
Aa
White text reads best on this color (5.22:1).
About this color
#A837C5 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.221 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 0.034 away. White text reads best on it, at 5.22:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.221) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #A837C5 |
| RGB | rgb(168, 55, 197) |
| HSL | hsl(288, 56%, 49%) |
| OKLCH | oklch(56.1% 0.221 318.5) |
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 #A837C5 | 5.22:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #A837C5 | 4.01:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #A837C5 text on white | 5.22:1 | AA | Lc 74.9 | Content text, not long reading |
| #A837C5 text on black | 4.01:1 | AA large text | Lc -26.8 | 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
#F2E4F7
oklch(93.6% 0.029 317.2)
-
Step 200
200
#E9CEF1
oklch(88.5% 0.055 318.4)
-
Step 300
300
#DCACEA
oklch(80.8% 0.1 318.5)
-
Step 400
400
#CA7DDF
oklch(70.7% 0.159 318.8)
-
Step 500
500
#BB57D6
oklch(63.1% 0.203 318.6)
-
Step 600
600 (this color)
#A837C5
oklch(56.1% 0.221 318.5)
-
Step 700
700
#8F25A9
oklch(49.2% 0.206 318.6)
-
Step 800
800
#742289
oklch(42.8% 0.171 318.5)
-
Step 900
900
#5E236D
oklch(37.7% 0.132 318.9)
-
Step 950
950
#371640
oklch(27% 0.084 318.6)
#A837C5 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) | #0065C9 | 0.214 |
| Deuteranopia (no green cones) | #3F70C2 | 0.190 |
| Tritanopia (no blue cones) | #A7537B | 0.138 |
| Achromatopsia (no color) | #6C6C6C | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A837C5
#A837C5
oklch(56.1% 0.221 318.5)
- #348B00
#348B00
oklch(56.1% 0.175 138.5)
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 #A837C5, closest first.
No curated palette has a color within ΔE 0.04 of #A837C5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.034
- Purply #983FB2 ΔE 0.042
- Vibrant Purple #AD03DE ΔE 0.056
- Medium Orchid #BA55D3 ΔE 0.067
- Purpley Pink #C83CB9 ΔE 0.069
- Dark Violet #9400D3 ΔE 0.071
- Amethyst #9B5FC0 ΔE 0.078
- Pinky Purple #C94CBE ΔE 0.080
Use #A837C5 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.