#A437C1
Closest named color: Dark Orchid (#9932CC). oklch(55.3% 0.216 318.3), rgb(164, 55, 193).
Aa
White text reads best on this color (5.39:1).
About this color
#A437C1 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.216 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.031 away. White text reads best on it, at 5.39:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.216) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #A437C1 |
| RGB | rgb(164, 55, 193) |
| HSL | hsl(287, 56%, 49%) |
| OKLCH | oklch(55.3% 0.216 318.3) |
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 #A437C1 | 5.39:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #A437C1 | 3.89:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #A437C1 text on white | 5.39:1 | AA | Lc 75.9 | Fine for body text |
| #A437C1 text on black | 3.89:1 | AA large text | Lc -25.9 | 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
#DBADE9
oklch(80.9% 0.096 318.2)
-
Step 400
400
#C97EDE
oklch(70.7% 0.156 318.6)
-
Step 500
500
#BA59D5
oklch(63.2% 0.199 318.4)
-
Step 600
600 (this color)
#A437C1
oklch(55.3% 0.216 318.3)
-
Step 700
700
#8D28A8
oklch(49.1% 0.202 318)
-
Step 800
800
#732488
oklch(42.7% 0.167 318.3)
-
Step 900
900
#5D246D
oklch(37.7% 0.13 318.2)
-
Step 950
950
#371640
oklch(27% 0.084 318.6)
#A437C1 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) | #0063C5 | 0.209 |
| Deuteranopia (no green cones) | #3E6EBE | 0.185 |
| Tritanopia (no blue cones) | #A35279 | 0.134 |
| Achromatopsia (no color) | #6A6A6A | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A437C1
#A437C1
oklch(55.3% 0.216 318.3)
- #348800
#348800
oklch(55.3% 0.172 138.3)
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 #A437C1, closest first.
No curated palette has a color within ΔE 0.04 of #A437C1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.031
- Purply #983FB2 ΔE 0.034
- Vibrant Purple #AD03DE ΔE 0.060
- Dark Violet #9400D3 ΔE 0.068
- Medium Orchid #BA55D3 ΔE 0.074
- Purpley Pink #C83CB9 ΔE 0.075
- Amethyst #9B5FC0 ΔE 0.077
- Blue Violet #8A2BE2 ΔE 0.079
Use #A437C1 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.