#AC37CA
Closest named color: Dark Orchid (#9932CC). oklch(57% 0.227 318.5), rgb(172, 55, 202).
Aa
White text reads best on this color (5.05:1).
About this color
#AC37CA is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.227 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 0.040 away. White text reads best on it, at 5.05:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.227) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #AC37CA |
| RGB | rgb(172, 55, 202) |
| HSL | hsl(288, 58%, 50%) |
| OKLCH | oklch(57% 0.227 318.5) |
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 #AC37CA | 5.05:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #AC37CA | 4.15:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #AC37CA text on white | 5.05:1 | AA | Lc 73.8 | Content text, not long reading |
| #AC37CA text on black | 4.15:1 | AA large text | Lc -27.9 | 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
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EACEF2
oklch(88.6% 0.057 318.7)
-
Step 300
300
#DDACEB
oklch(81% 0.101 318.6)
-
Step 400
400
#CB7CE1
oklch(70.7% 0.164 318.6)
-
Step 500
500
#BC55D8
oklch(63.1% 0.208 318.5)
-
Step 600
600 (this color)
#AC37CA
oklch(57% 0.227 318.5)
-
Step 700
700
#9022AB
oklch(49.2% 0.211 318.5)
-
Step 800
800
#75208A
oklch(42.8% 0.174 318.7)
-
Step 900
900
#5E226F
oklch(37.7% 0.136 318)
-
Step 950
950
#371541
oklch(26.9% 0.087 317.9)
#AC37CA 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) | #0067CE | 0.219 |
| Deuteranopia (no green cones) | #3F72C7 | 0.195 |
| Tritanopia (no blue cones) | #AB557E | 0.142 |
| Achromatopsia (no color) | #6F6F6F | 0.228 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC37CA
#AC37CA
oklch(57% 0.227 318.5)
- #358E00
#358E00
oklch(57% 0.178 138.5)
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 #AC37CA, closest first.
No curated palette has a color within ΔE 0.04 of #AC37CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.040
- Vibrant Purple #AD03DE ΔE 0.051
- Purply #983FB2 ΔE 0.052
- Medium Orchid #BA55D3 ΔE 0.061
- Purpley Pink #C83CB9 ΔE 0.065
- Dark Violet #9400D3 ΔE 0.074
- Pinky Purple #C94CBE ΔE 0.076
- Amethyst #9B5FC0 ΔE 0.080
Use #AC37CA 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.